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0F | 0C
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Tywydd 30 Diwrnod - Great Yarmouth

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36%

Siawns o Law

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11oC

Pwynt Gwlith

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92%

Lleithder

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109

Ozone

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4.7 mm

Gwlybaniaeth

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101100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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96%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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20%

Siawns o Law

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12oC

Pwynt Gwlith

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89%

Lleithder

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101

Ozone

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2.1 mm

Gwlybaniaeth

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101900 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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77%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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4%

Siawns o Law

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11oC

Pwynt Gwlith

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79%

Lleithder

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105

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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29%

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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13oC

Pwynt Gwlith

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80%

Lleithder

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106

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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38%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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13%

Siawns o Law

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14oC

Pwynt Gwlith

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84%

Lleithder

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91

Ozone

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0.23 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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04:05 AM

Codiad haul

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08:05 PM

Machlud

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3%

Siawns o Law

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13oC

Pwynt Gwlith

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85%

Lleithder

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92

Ozone

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0 mm

Gwlybaniaeth

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103000 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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08:05 PM

Machlud

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3%

Siawns o Law

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12oC

Pwynt Gwlith

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83%

Lleithder

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91

Ozone

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0 mm

Gwlybaniaeth

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102600 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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34%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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16%

Siawns o Law

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13oC

Pwynt Gwlith

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83%

Lleithder

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103

Ozone

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0.16 mm

Gwlybaniaeth

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102100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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24%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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15%

Siawns o Law

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12oC

Pwynt Gwlith

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93%

Lleithder

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102

Ozone

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2.84 mm

Gwlybaniaeth

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102100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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93%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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6%

Siawns o Law

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8oC

Pwynt Gwlith

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71%

Lleithder

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101

Ozone

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0.29 mm

Gwlybaniaeth

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102400 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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23%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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16%

Siawns o Law

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12oC

Pwynt Gwlith

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85%

Lleithder

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96

Ozone

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0.12 mm

Gwlybaniaeth

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102000 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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53%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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15%

Siawns o Law

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9oC

Pwynt Gwlith

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76%

Lleithder

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91

Ozone

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2.96 mm

Gwlybaniaeth

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101100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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70%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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8%

Siawns o Law

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10oC

Pwynt Gwlith

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89%

Lleithder

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91

Ozone

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2.99 mm

Gwlybaniaeth

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101600 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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86%

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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8oC

Pwynt Gwlith

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79%

Lleithder

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92

Ozone

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1.28 mm

Gwlybaniaeth

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101800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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86%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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94%

Siawns o Law

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9oC

Pwynt Gwlith

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87%

Lleithder

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91

Ozone

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34.15 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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99%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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96%

Siawns o Law

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11oC

Pwynt Gwlith

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93%

Lleithder

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100

Ozone

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28.24 mm

Gwlybaniaeth

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101100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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99%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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20%

Siawns o Law

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9oC

Pwynt Gwlith

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83%

Lleithder

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110

Ozone

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2.25 mm

Gwlybaniaeth

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101800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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75%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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40%

Siawns o Law

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13oC

Pwynt Gwlith

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95%

Lleithder

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94

Ozone

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8.2 mm

Gwlybaniaeth

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101400 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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92%

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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13oC

Pwynt Gwlith

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90%

Lleithder

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96

Ozone

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2.35 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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89%

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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12oC

Pwynt Gwlith

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87%

Lleithder

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103

Ozone

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1.98 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

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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17%

Siawns o Law

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11oC

Pwynt Gwlith

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87%

Lleithder

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106

Ozone

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1.91 mm

Gwlybaniaeth

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101500 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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98%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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6%

Siawns o Law

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11oC

Pwynt Gwlith

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80%

Lleithder

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108

Ozone

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0.83 mm

Gwlybaniaeth

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101700 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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80%

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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79%

Lleithder

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106

Ozone

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0 mm

Gwlybaniaeth

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101800 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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35%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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1%

Siawns o Law

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11oC

Pwynt Gwlith

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77%

Lleithder

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107

Ozone

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0 mm

Gwlybaniaeth

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101600 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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10%

Siawns o Law

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12oC

Pwynt Gwlith

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85%

Lleithder

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97

Ozone

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1.31 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd

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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11%

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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2.89 mm

Gwlybaniaeth

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100900 hPa

Pwysedd

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Gogledd

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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39%

Siawns o Law

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14oC

Pwynt Gwlith

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87%

Lleithder

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94

Ozone

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4.02 mm

Gwlybaniaeth

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100600 hPa

Pwysedd

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Gogledd

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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97%

Siawns o Law

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13oC

Pwynt Gwlith

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91%

Lleithder

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103

Ozone

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18.45 mm

Gwlybaniaeth

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100200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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87%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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81%

Siawns o Law

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11oC

Pwynt Gwlith

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80%

Lleithder

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106

Ozone

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20.36 mm

Gwlybaniaeth

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100700 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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77%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

Dydd Llun - 18
Dydd Mawrth - 19
Dydd Mercher - 20
Dydd Iau - 21
Dydd Gwener - 22
Dydd Sadwrn - 23
Dydd Sul - 24
Dydd Llun - 25
Dydd Mawrth - 26
Dydd Mercher - 27
light rain
light rain
light rain
scattered clouds
scattered clouds
light rain
scattered clouds
scattered clouds
light rain
light rain
Tymheredd Uchaf
Tymheredd Isafswm
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0.77 mm
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4.7 mm
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2.1 mm
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0 mm
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0 mm
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0.23 mm
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0 mm
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0 mm
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0.16 mm
weather365
2.84 mm
Gwlybaniaeth
Siawns o Law

18/05/2026

14o
cloudy
Cymylau wedi torri
7oC / 15oC | teimlo fel 13oC
0% glaw | 0 mm
Lleithder 63%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 9.1 mph
Mynegai UV 1.81
Codiad Haul / Machlud Haul 04:52 AM / 08:47 PM
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