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0F | 0C
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Tywydd 30 Diwrnod - Isles of Scilly

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7%

Siawns o Law

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12oC

Pwynt Gwlith

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84%

Lleithder

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101

Ozone

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0.15 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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59%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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4%

Siawns o Law

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13oC

Pwynt Gwlith

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88%

Lleithder

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91

Ozone

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0 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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57%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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4%

Siawns o Law

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14oC

Pwynt Gwlith

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88%

Lleithder

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107

Ozone

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0 mm

Gwlybaniaeth

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102200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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12%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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5%

Siawns o Law

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12oC

Pwynt Gwlith

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87%

Lleithder

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99

Ozone

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0 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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10%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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4%

Siawns o Law

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9oC

Pwynt Gwlith

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73%

Lleithder

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107

Ozone

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0 mm

Gwlybaniaeth

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103300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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68%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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1%

Siawns o Law

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9oC

Pwynt Gwlith

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77%

Lleithder

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95

Ozone

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0 mm

Gwlybaniaeth

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103500 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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17%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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4%

Siawns o Law

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12oC

Pwynt Gwlith

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83%

Lleithder

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101

Ozone

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0 mm

Gwlybaniaeth

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103300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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29%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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4%

Siawns o Law

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9oC

Pwynt Gwlith

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75%

Lleithder

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100

Ozone

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0 mm

Gwlybaniaeth

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103500 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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14%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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4%

Siawns o Law

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8oC

Pwynt Gwlith

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74%

Lleithder

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100

Ozone

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0 mm

Gwlybaniaeth

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103400 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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6%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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1%

Siawns o Law

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9oC

Pwynt Gwlith

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75%

Lleithder

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102

Ozone

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0 mm

Gwlybaniaeth

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103300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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20%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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3%

Siawns o Law

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8oC

Pwynt Gwlith

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72%

Lleithder

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104

Ozone

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0 mm

Gwlybaniaeth

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103100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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45%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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7%

Siawns o Law

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8oC

Pwynt Gwlith

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72%

Lleithder

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104

Ozone

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0.36 mm

Gwlybaniaeth

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102800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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26%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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8%

Siawns o Law

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13oC

Pwynt Gwlith

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93%

Lleithder

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109

Ozone

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1.49 mm

Gwlybaniaeth

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102200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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92%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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5%

Siawns o Law

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13oC

Pwynt Gwlith

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86%

Lleithder

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101

Ozone

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1.84 mm

Gwlybaniaeth

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102400 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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36%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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30%

Siawns o Law

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13oC

Pwynt Gwlith

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88%

Lleithder

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101

Ozone

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3.64 mm

Gwlybaniaeth

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101800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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95%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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9%

Siawns o Law

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14oC

Pwynt Gwlith

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91%

Lleithder

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108

Ozone

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2.23 mm

Gwlybaniaeth

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101500 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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80%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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3%

Siawns o Law

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12oC

Pwynt Gwlith

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82%

Lleithder

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109

Ozone

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0 mm

Gwlybaniaeth

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102200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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19%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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0%

Siawns o Law

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11oC

Pwynt Gwlith

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77%

Lleithder

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100

Ozone

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0 mm

Gwlybaniaeth

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102600 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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31%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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3%

Siawns o Law

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10oC

Pwynt Gwlith

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74%

Lleithder

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102

Ozone

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0 mm

Gwlybaniaeth

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102900 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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13%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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0%

Siawns o Law

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11oC

Pwynt Gwlith

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75%

Lleithder

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103

Ozone

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0 mm

Gwlybaniaeth

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102700 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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11%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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15%

Siawns o Law

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12oC

Pwynt Gwlith

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80%

Lleithder

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106

Ozone

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0.78 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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79%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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28%

Siawns o Law

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14oC

Pwynt Gwlith

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91%

Lleithder

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106

Ozone

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4.04 mm

Gwlybaniaeth

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101700 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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55%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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6%

Siawns o Law

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12oC

Pwynt Gwlith

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79%

Lleithder

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98

Ozone

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0.12 mm

Gwlybaniaeth

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102000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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27%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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0%

Siawns o Law

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14oC

Pwynt Gwlith

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84%

Lleithder

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109

Ozone

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0 mm

Gwlybaniaeth

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102200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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42%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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3%

Siawns o Law

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16oC

Pwynt Gwlith

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90%

Lleithder

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94

Ozone

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0 mm

Gwlybaniaeth

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102200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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24%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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0%

Siawns o Law

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16oC

Pwynt Gwlith

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86%

Lleithder

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106

Ozone

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0 mm

Gwlybaniaeth

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102100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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6%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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5%

Siawns o Law

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16oC

Pwynt Gwlith

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86%

Lleithder

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93

Ozone

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0 mm

Gwlybaniaeth

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101800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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9%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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5%

Siawns o Law

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14oC

Pwynt Gwlith

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81%

Lleithder

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95

Ozone

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0 mm

Gwlybaniaeth

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101700 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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15%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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2%

Siawns o Law

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13oC

Pwynt Gwlith

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77%

Lleithder

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92

Ozone

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0 mm

Gwlybaniaeth

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102000 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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76%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

Dydd Mercher - 20
Dydd Iau - 21
Dydd Gwener - 22
Dydd Sadwrn - 23
Dydd Sul - 24
Dydd Llun - 25
Dydd Mawrth - 26
Dydd Mercher - 27
Dydd Iau - 28
Dydd Gwener - 29
light rain
light rain
broken clouds
few clouds
sky is clear
broken clouds
few clouds
scattered clouds
few clouds
sky is clear
Tymheredd Uchaf
Tymheredd Isafswm
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2.04 mm
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0.15 mm
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0 mm
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0 mm
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0 mm
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0 mm
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0 mm
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0 mm
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0 mm
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0 mm
Gwlybaniaeth
Siawns o Law

20/05/2026

14o
cloudy
Cymylau gwasgaredig
12oC / 15oC | teimlo fel 14oC
0% glaw | 0 mm
Lleithder 88%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 16.2 mph
Mynegai UV 1.68
Codiad Haul / Machlud Haul 05:33 AM / 09:10 PM
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