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0F | 0C
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Tywydd 15 Diwrnod - Test Valley

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58%

Siawns o Law

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11oC

Pwynt Gwlith

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91%

Lleithder

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103

Ozone

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8.13 mm

Gwlybaniaeth

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100900 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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15%

Siawns o Law

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11oC

Pwynt Gwlith

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83%

Lleithder

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99

Ozone

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0.88 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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54%

Gorchudd Cwmwl

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05:05 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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84%

Lleithder

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100

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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79%

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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13oC

Pwynt Gwlith

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86%

Lleithder

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109

Ozone

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0 mm

Gwlybaniaeth

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102400 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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08:05 PM

Machlud

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12%

Siawns o Law

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14oC

Pwynt Gwlith

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89%

Lleithder

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98

Ozone

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2.29 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd

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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1%

Siawns o Law

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11oC

Pwynt Gwlith

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75%

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

Cyfeiriad y Gwynt

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8%

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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12oC

Pwynt Gwlith

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83%

Lleithder

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104

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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67%

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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11oC

Pwynt Gwlith

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77%

Lleithder

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101

Ozone

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0 mm

Gwlybaniaeth

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103100 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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14%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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0%

Siawns o Law

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11oC

Pwynt Gwlith

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76%

Lleithder

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102

Ozone

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0 mm

Gwlybaniaeth

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102900 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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9%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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0%

Siawns o Law

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12oC

Pwynt Gwlith

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83%

Lleithder

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108

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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65%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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2%

Siawns o Law

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12oC

Pwynt Gwlith

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82%

Lleithder

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98

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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19%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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0%

Siawns o Law

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12oC

Pwynt Gwlith

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78%

Lleithder

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109

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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25%

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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13oC

Pwynt Gwlith

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77%

Lleithder

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95

Ozone

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0 mm

Gwlybaniaeth

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102500 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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8%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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0%

Siawns o Law

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13oC

Pwynt Gwlith

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79%

Lleithder

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108

Ozone

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0 mm

Gwlybaniaeth

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102200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

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

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
broken clouds
broken clouds
light rain
sky is clear
broken clouds
few clouds
sky is clear
Tymheredd Uchaf
Tymheredd Isafswm
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3.86 mm
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8.13 mm
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0.88 mm
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0 mm
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0 mm
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2.29 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

18/05/2026

12o
rain
Glaw ysgafn
7oC / 13oC | teimlo fel 11oC
100% glaw | 0.19 mm
Lleithder 70%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 14.81 mph
Mynegai UV 1.32
Codiad Haul / Machlud Haul 05:11 AM / 08:53 PM
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