weather365
0F | 0C
weather365

Rhagolygon Tywydd Bob Awr ar gyfer Boston

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79%

Siawns o Law

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7oC

Pwynt Gwlith

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70%

Lleithder

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102

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

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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80%

Siawns o Law

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8oC

Pwynt Gwlith

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71%

Lleithder

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104

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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85%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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9oC

Pwynt Gwlith

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74%

Lleithder

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90

Ozone

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0.99 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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89%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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9oC

Pwynt Gwlith

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76%

Lleithder

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99

Ozone

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0.84 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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91%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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9oC

Pwynt Gwlith

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75%

Lleithder

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103

Ozone

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0.39 mm

Gwlybaniaeth

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100900 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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93%

Gorchudd Cwmwl

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04:05 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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81%

Lleithder

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92

Ozone

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0.49 mm

Gwlybaniaeth

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100900 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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93%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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9oC

Pwynt Gwlith

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85%

Lleithder

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100

Ozone

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0.34 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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94%

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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9oC

Pwynt Gwlith

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90%

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

Cyfeiriad y Gwynt

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99%

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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8oC

Pwynt Gwlith

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95%

Lleithder

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98

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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71%

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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8oC

Pwynt Gwlith

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97%

Lleithder

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107

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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62%

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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7oC

Pwynt Gwlith

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96%

Lleithder

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98

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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72%

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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7oC

Pwynt Gwlith

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97%

Lleithder

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108

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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71%

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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7oC

Pwynt Gwlith

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96%

Lleithder

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102

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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76%

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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7oC

Pwynt Gwlith

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95%

Lleithder

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101

Ozone

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0 mm

Gwlybaniaeth

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101000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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8oC

Pwynt Gwlith

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96%

Lleithder

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110

Ozone

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0.22 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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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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8oC

Pwynt Gwlith

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96%

Lleithder

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101

Ozone

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0.45 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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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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8oC

Pwynt Gwlith

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96%

Lleithder

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96

Ozone

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0.28 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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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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9oC

Pwynt Gwlith

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97%

Lleithder

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105

Ozone

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1.49 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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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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9oC

Pwynt Gwlith

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96%

Lleithder

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102

Ozone

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0.66 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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04:05 AM

Codiad haul

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08:05 PM

Machlud

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100%

Siawns o Law

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9oC

Pwynt Gwlith

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96%

Lleithder

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94

Ozone

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0.17 mm

Gwlybaniaeth

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100600 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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100%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

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80%

Siawns o Law

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10oC

Pwynt Gwlith

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95%

Lleithder

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108

Ozone

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0 mm

Gwlybaniaeth

weather365.com

100600 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

weather365.com

100%

Gorchudd Cwmwl

weather365.com

04:05 AM

Codiad haul

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08:05 PM

Machlud

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56%

Siawns o Law

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10oC

Pwynt Gwlith

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95%

Lleithder

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92

Ozone

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0 mm

Gwlybaniaeth

weather365.com

100600 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

weather365.com

100%

Gorchudd Cwmwl

weather365.com

04:05 AM

Codiad haul

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08:05 PM

Machlud

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23%

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 mm

Gwlybaniaeth

weather365.com

100600 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

weather365.com

100%

Gorchudd Cwmwl

weather365.com

04:05 AM

Codiad haul

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08:05 PM

Machlud

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2%

Siawns o Law

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12oC

Pwynt Gwlith

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94%

Lleithder

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102

Ozone

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0 mm

Gwlybaniaeth

weather365.com

100600 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

weather365.com

100%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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08:05 PM

Machlud

12:00 PM
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
broken clouds
broken clouds
overcast clouds
light rain
light rain
light rain
light rain
light rain
overcast clouds
broken clouds
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0 mm
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0 mm
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0 mm
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0.99 mm
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0.84 mm
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0.39 mm
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0.49 mm
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0.34 mm
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0 mm
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0 mm
Tymheredd
Siawns o Law
Gwlybaniaeth

18/05/2026

12o
cloudy
Cymylau wedi torri
7oC / 15oC | teimlo fel 11oC
30% glaw | 0 mm
Lleithder 71%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 6.17 mph
Mynegai UV 2.7
Codiad Haul / Machlud Haul 04:58 AM / 08:55 PM
  • 12:00 PM
    weather365.com
    2.7
  • 01:00 PM
    weather365.com
    4.8
  • 02:00 PM
    weather365.com
    2.3
  • 03:00 PM
    weather365.com
    3.14
  • 04:00 PM
    weather365.com
    3.02
  • 05:00 PM
    weather365.com
    1.99
  • 06:00 PM
    weather365.com
    0.95
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