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0F | 0C
weather365

Tywydd 30 Diwrnod - East Hertfordshire

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1%

Siawns o Law

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11oC

Pwynt Gwlith

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76%

Lleithder

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105

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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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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77%

Lleithder

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104

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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41%

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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87%

Lleithder

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102

Ozone

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0.76 mm

Gwlybaniaeth

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102000 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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5%

Siawns o Law

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11oC

Pwynt Gwlith

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82%

Lleithder

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109

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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58%

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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7oC

Pwynt Gwlith

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68%

Lleithder

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106

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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11%

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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10oC

Pwynt Gwlith

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72%

Lleithder

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93

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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6%

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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11oC

Pwynt Gwlith

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79%

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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31%

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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6oC

Pwynt Gwlith

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63%

Lleithder

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107

Ozone

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0 mm

Gwlybaniaeth

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103100 hPa

Pwysedd

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Gogledd

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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4%

Siawns o Law

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4oC

Pwynt Gwlith

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66%

Lleithder

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109

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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21%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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1%

Siawns o Law

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3oC

Pwynt Gwlith

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63%

Lleithder

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110

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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37%

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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6oC

Pwynt Gwlith

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75%

Lleithder

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102

Ozone

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1.59 mm

Gwlybaniaeth

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101800 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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97%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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60%

Siawns o Law

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9oC

Pwynt Gwlith

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89%

Lleithder

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93

Ozone

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6.73 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd

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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53%

Siawns o Law

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9oC

Pwynt Gwlith

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89%

Lleithder

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109

Ozone

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8.48 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd

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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8oC

Pwynt Gwlith

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78%

Lleithder

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105

Ozone

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0.93 mm

Gwlybaniaeth

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101800 hPa

Pwysedd

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Gogledd

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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0%

Siawns o Law

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6oC

Pwynt Gwlith

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67%

Lleithder

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99

Ozone

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0 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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29%

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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4oC

Pwynt Gwlith

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67%

Lleithder

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100

Ozone

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0.21 mm

Gwlybaniaeth

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102700 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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53%

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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5oC

Pwynt Gwlith

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65%

Lleithder

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91

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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8%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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5%

Siawns o Law

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7oC

Pwynt Gwlith

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67%

Lleithder

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105

Ozone

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0 mm

Gwlybaniaeth

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102900 hPa

Pwysedd

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Gogledd

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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8oC

Pwynt Gwlith

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70%

Lleithder

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97

Ozone

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0 mm

Gwlybaniaeth

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102700 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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6%

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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8oC

Pwynt Gwlith

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67%

Lleithder

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102

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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11%

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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13oC

Pwynt Gwlith

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78%

Lleithder

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91

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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56%

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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14oC

Pwynt Gwlith

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77%

Lleithder

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91

Ozone

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0 mm

Gwlybaniaeth

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102200 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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12%

Siawns o Law

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14oC

Pwynt Gwlith

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77%

Lleithder

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103

Ozone

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2.02 mm

Gwlybaniaeth

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101600 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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44%

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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14oC

Pwynt Gwlith

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72%

Lleithder

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92

Ozone

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1.06 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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9%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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22%

Siawns o Law

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17oC

Pwynt Gwlith

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77%

Lleithder

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105

Ozone

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5.42 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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17%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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91%

Siawns o Law

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18oC

Pwynt Gwlith

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84%

Lleithder

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91

Ozone

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13.9 mm

Gwlybaniaeth

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101100 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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54%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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5%

Siawns o Law

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16oC

Pwynt Gwlith

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81%

Lleithder

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97

Ozone

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0.86 mm

Gwlybaniaeth

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101400 hPa

Pwysedd

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Gogledd

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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7%

Siawns o Law

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14oC

Pwynt Gwlith

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86%

Lleithder

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91

Ozone

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1.41 mm

Gwlybaniaeth

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101100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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74%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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5%

Siawns o Law

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11oC

Pwynt Gwlith

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71%

Lleithder

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101

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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29%

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
broken clouds
few clouds
sky is clear
scattered clouds
few clouds
few clouds
Tymheredd Uchaf
Tymheredd Isafswm
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1.41 mm
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0 mm
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0 mm
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0.76 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

19o
rain
Glaw ysgafn
12oC / 19oC | teimlo fel 18oC
100% glaw | 0.2 mm
Lleithder 56%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 18.14 mph
Mynegai UV 5.01
Codiad Haul / Machlud Haul 04:59 AM / 08:53 PM
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