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0F | 0C
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Tywydd 20 Diwrnod - Plymouth

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72%

Siawns o Law

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10oC

Pwynt Gwlith

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87%

Lleithder

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105

Ozone

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10.65 mm

Gwlybaniaeth

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100900 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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72%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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8%

Siawns o Law

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11oC

Pwynt Gwlith

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83%

Lleithder

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92

Ozone

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0.79 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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41%

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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11oC

Pwynt Gwlith

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77%

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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31%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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18%

Siawns o Law

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13oC

Pwynt Gwlith

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87%

Lleithder

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95

Ozone

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0.11 mm

Gwlybaniaeth

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102400 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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70%

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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13oC

Pwynt Gwlith

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82%

Lleithder

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90

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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18%

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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13oC

Pwynt Gwlith

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82%

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

Cyfeiriad y Gwynt

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61%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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6%

Siawns o Law

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13oC

Pwynt Gwlith

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85%

Lleithder

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97

Ozone

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0.11 mm

Gwlybaniaeth

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102400 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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81%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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6%

Siawns o Law

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12oC

Pwynt Gwlith

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90%

Lleithder

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97

Ozone

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0.6 mm

Gwlybaniaeth

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102300 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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09:05 PM

Machlud

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4%

Siawns o Law

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8oC

Pwynt Gwlith

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72%

Lleithder

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90

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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22%

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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8oC

Pwynt Gwlith

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76%

Lleithder

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102

Ozone

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0.16 mm

Gwlybaniaeth

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102700 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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43%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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20%

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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1.1 mm

Gwlybaniaeth

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102400 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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09:05 PM

Machlud

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35%

Siawns o Law

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9oC

Pwynt Gwlith

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82%

Lleithder

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91

Ozone

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4.27 mm

Gwlybaniaeth

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101700 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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32%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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18%

Siawns o Law

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7oC

Pwynt Gwlith

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71%

Lleithder

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94

Ozone

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0.31 mm

Gwlybaniaeth

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102400 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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09:05 PM

Machlud

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34%

Siawns o Law

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6oC

Pwynt Gwlith

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72%

Lleithder

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96

Ozone

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3.23 mm

Gwlybaniaeth

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102000 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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86%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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59%

Siawns o Law

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4oC

Pwynt Gwlith

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69%

Lleithder

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91

Ozone

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6.79 mm

Gwlybaniaeth

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102300 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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99%

Siawns o Law

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9oC

Pwynt Gwlith

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92%

Lleithder

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97

Ozone

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21.67 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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97%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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16%

Siawns o Law

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11oC

Pwynt Gwlith

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88%

Lleithder

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110

Ozone

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2.82 mm

Gwlybaniaeth

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101500 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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93%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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21%

Siawns o Law

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11oC

Pwynt Gwlith

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89%

Lleithder

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91

Ozone

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4.21 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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61%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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29%

Siawns o Law

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11oC

Pwynt Gwlith

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82%

Lleithder

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108

Ozone

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3.44 mm

Gwlybaniaeth

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101400 hPa

Pwysedd

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Gogledd

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

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
light rain
few clouds
broken clouds
light rain
light rain
few clouds
Tymheredd Uchaf
Tymheredd Isafswm
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7.02 mm
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10.65 mm
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0.79 mm
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0 mm
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0.11 mm
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0 mm
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0 mm
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0.11 mm
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0.6 mm
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0 mm
Gwlybaniaeth
Siawns o Law

18/05/2026

10o
rain
Glaw ysgafn
8oC / 12oC | teimlo fel 7oC
90% glaw | 0.31 mm
Lleithder 90%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 14.38 mph
Mynegai UV 1.14
Codiad Haul / Machlud Haul 05:25 AM / 09:00 PM
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