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0F | 0C
weather365

Rhagolygon Tywydd Bob Awr ar gyfer Portsmouth

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57%

Siawns o Law

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8oC

Pwynt Gwlith

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75%

Lleithder

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108

Ozone

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0.13 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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78%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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41%

Siawns o Law

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8oC

Pwynt Gwlith

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73%

Lleithder

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97

Ozone

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0 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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81%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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19%

Siawns o Law

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8oC

Pwynt Gwlith

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72%

Lleithder

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94

Ozone

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0 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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80%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 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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98

Ozone

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0 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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77%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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1%

Siawns o Law

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7oC

Pwynt Gwlith

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72%

Lleithder

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100

Ozone

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0 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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77%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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0%

Siawns o Law

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8oC

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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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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81%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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0%

Siawns o Law

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8oC

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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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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0%

Siawns o Law

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7oC

Pwynt Gwlith

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78%

Lleithder

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101

Ozone

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0 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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0%

Siawns o Law

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8oC

Pwynt Gwlith

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78%

Lleithder

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98

Ozone

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0 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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20%

Siawns o Law

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9oC

Pwynt Gwlith

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84%

Lleithder

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95

Ozone

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0.21 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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0%

Siawns o Law

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9oC

Pwynt Gwlith

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85%

Lleithder

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107

Ozone

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0 mm

Gwlybaniaeth

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101100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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35%

Siawns o Law

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10oC

Pwynt Gwlith

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91%

Lleithder

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104

Ozone

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0.18 mm

Gwlybaniaeth

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101100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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0%

Siawns o Law

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10oC

Pwynt Gwlith

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89%

Lleithder

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99

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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97%

Siawns o Law

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10oC

Pwynt Gwlith

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90%

Lleithder

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91

Ozone

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0.2 mm

Gwlybaniaeth

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100900 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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10oC

Pwynt Gwlith

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93%

Lleithder

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91

Ozone

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0.64 mm

Gwlybaniaeth

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100800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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11oC

Pwynt Gwlith

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95%

Lleithder

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106

Ozone

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1.59 mm

Gwlybaniaeth

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100800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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11oC

Pwynt Gwlith

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95%

Lleithder

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102

Ozone

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0.78 mm

Gwlybaniaeth

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100700 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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11oC

Pwynt Gwlith

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96%

Lleithder

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108

Ozone

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0.12 mm

Gwlybaniaeth

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100700 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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13%

Siawns o Law

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12oC

Pwynt Gwlith

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93%

Lleithder

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103

Ozone

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0 mm

Gwlybaniaeth

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100800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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58%

Siawns o Law

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12oC

Pwynt Gwlith

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91%

Lleithder

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96

Ozone

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0.13 mm

Gwlybaniaeth

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100800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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27%

Siawns o Law

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11oC

Pwynt Gwlith

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82%

Lleithder

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95

Ozone

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0 mm

Gwlybaniaeth

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100800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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87%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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61%

Siawns o Law

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12oC

Pwynt Gwlith

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83%

Lleithder

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104

Ozone

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0.12 mm

Gwlybaniaeth

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100800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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91%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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84%

Siawns o Law

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12oC

Pwynt Gwlith

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86%

Lleithder

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98

Ozone

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0.23 mm

Gwlybaniaeth

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100800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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93%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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91%

Siawns o Law

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12oC

Pwynt Gwlith

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88%

Lleithder

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93

Ozone

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0.26 mm

Gwlybaniaeth

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100900 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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94%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

01:00 PM
02:00 PM
03:00 PM
04:00 PM
05:00 PM
06:00 PM
07:00 PM
08:00 PM
09:00 PM
10:00 PM
broken clouds
light rain
broken clouds
broken clouds
broken clouds
broken clouds
broken clouds
overcast clouds
overcast clouds
overcast clouds
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0 mm
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0.13 mm
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0 mm
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Tymheredd
Siawns o Law
Gwlybaniaeth

18/05/2026

12o
cloudy
Cymylau wedi torri
8oC / 13oC | teimlo fel 12oC
80% glaw | 0 mm
Lleithder 77%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 19.35 mph
Mynegai UV 3.01
Codiad Haul / Machlud Haul 05:11 AM / 08:50 PM
  • 01:00 PM
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    3.01
  • 02:00 PM
    weather365.com
    5.09
  • 03:00 PM
    weather365.com
    3.6
  • 04:00 PM
    weather365.com
    2.47
  • 05:00 PM
    weather365.com
    2.03
  • 06:00 PM
    weather365.com
    1
  • 07:00 PM
    weather365.com
    0.45
up arrow