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0F | 0C
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Tywydd 30 Diwrnod - Richmond upon Thames

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3%

Siawns o Law

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11oC

Pwynt Gwlith

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80%

Lleithder

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92

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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47%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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4%

Siawns o Law

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13oC

Pwynt Gwlith

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81%

Lleithder

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102

Ozone

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0 mm

Gwlybaniaeth

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102400 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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35%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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8%

Siawns o Law

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14oC

Pwynt Gwlith

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89%

Lleithder

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104

Ozone

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0.66 mm

Gwlybaniaeth

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102000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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92%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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0%

Siawns o Law

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11oC

Pwynt Gwlith

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83%

Lleithder

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90

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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49%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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1%

Siawns o Law

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8oC

Pwynt Gwlith

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70%

Lleithder

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109

Ozone

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0 mm

Gwlybaniaeth

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103200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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9%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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5%

Siawns o Law

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11oC

Pwynt Gwlith

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74%

Lleithder

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108

Ozone

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0 mm

Gwlybaniaeth

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103000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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7%

Gorchudd Cwmwl

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04:05 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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80%

Lleithder

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98

Ozone

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0 mm

Gwlybaniaeth

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102800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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21%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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4%

Siawns o Law

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6oC

Pwynt Gwlith

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64%

Lleithder

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94

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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17%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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0%

Siawns o Law

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6oC

Pwynt Gwlith

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68%

Lleithder

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109

Ozone

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0 mm

Gwlybaniaeth

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102900 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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19%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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2%

Siawns o Law

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4oC

Pwynt Gwlith

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65%

Lleithder

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98

Ozone

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0 mm

Gwlybaniaeth

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102500 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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40%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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19%

Siawns o Law

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7oC

Pwynt Gwlith

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76%

Lleithder

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103

Ozone

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0.92 mm

Gwlybaniaeth

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101700 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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96%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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20%

Siawns o Law

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9oC

Pwynt Gwlith

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87%

Lleithder

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103

Ozone

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5.93 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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91%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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72%

Siawns o Law

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10oC

Pwynt Gwlith

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88%

Lleithder

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106

Ozone

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9.77 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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76%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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10%

Siawns o Law

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9oC

Pwynt Gwlith

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81%

Lleithder

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106

Ozone

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2.31 mm

Gwlybaniaeth

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101800 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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62%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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10%

Siawns o Law

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7oC

Pwynt Gwlith

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71%

Lleithder

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104

Ozone

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0.49 mm

Gwlybaniaeth

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102200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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39%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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8%

Siawns o Law

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6oC

Pwynt Gwlith

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70%

Lleithder

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93

Ozone

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0.15 mm

Gwlybaniaeth

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102700 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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60%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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0%

Siawns o Law

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7oC

Pwynt Gwlith

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69%

Lleithder

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107

Ozone

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0 mm

Gwlybaniaeth

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102800 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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10%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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3%

Siawns o Law

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8oC

Pwynt Gwlith

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70%

Lleithder

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99

Ozone

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0 mm

Gwlybaniaeth

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102900 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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12%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 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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96

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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8%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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3%

Siawns o Law

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9oC

Pwynt Gwlith

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71%

Lleithder

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103

Ozone

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0 mm

Gwlybaniaeth

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102400 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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10%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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0%

Siawns o Law

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13oC

Pwynt Gwlith

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82%

Lleithder

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102

Ozone

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0 mm

Gwlybaniaeth

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102400 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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73%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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4%

Siawns o Law

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14oC

Pwynt Gwlith

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81%

Lleithder

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97

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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45%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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11%

Siawns o Law

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15oC

Pwynt Gwlith

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82%

Lleithder

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96

Ozone

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1.24 mm

Gwlybaniaeth

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101600 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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45%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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7%

Siawns o Law

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14oC

Pwynt Gwlith

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76%

Lleithder

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98

Ozone

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0.78 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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10%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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39%

Siawns o Law

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17oC

Pwynt Gwlith

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81%

Lleithder

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105

Ozone

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5.17 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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19%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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73%

Siawns o Law

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18oC

Pwynt Gwlith

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85%

Lleithder

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90

Ozone

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10.28 mm

Gwlybaniaeth

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101100 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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42%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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17%

Siawns o Law

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16oC

Pwynt Gwlith

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83%

Lleithder

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96

Ozone

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0.77 mm

Gwlybaniaeth

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101500 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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59%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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14%

Siawns o Law

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15oC

Pwynt Gwlith

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86%

Lleithder

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96

Ozone

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1.07 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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68%

Gorchudd Cwmwl

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04:06 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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72%

Lleithder

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99

Ozone

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0 mm

Gwlybaniaeth

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101900 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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24%

Gorchudd Cwmwl

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04:06 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
scattered clouds
scattered clouds
light rain
scattered clouds
sky is clear
sky is clear
few clouds
few clouds
few clouds
Tymheredd Uchaf
Tymheredd Isafswm
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1.45 mm
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0 mm
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0 mm
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0.66 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

18o
cloudy
Cymylau wedi torri
12oC / 18oC | teimlo fel 17oC
0% glaw | 0 mm
Lleithder 57%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 13.91 mph
Mynegai UV 4.34
Codiad Haul / Machlud Haul 05:02 AM / 08:52 PM
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