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0F | 0C
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Tywydd 15 Diwrnod - Cornwall

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15%

Siawns o Law

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13oC

Pwynt Gwlith

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85%

Lleithder

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105

Ozone

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0.18 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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36%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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16%

Siawns o Law

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14oC

Pwynt Gwlith

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85%

Lleithder

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109

Ozone

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0.18 mm

Gwlybaniaeth

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102600 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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16%

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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14oC

Pwynt Gwlith

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81%

Lleithder

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97

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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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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13oC

Pwynt Gwlith

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86%

Lleithder

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103

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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68%

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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85%

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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49%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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13%

Siawns o Law

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14oC

Pwynt Gwlith

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86%

Lleithder

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90

Ozone

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0.1 mm

Gwlybaniaeth

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102800 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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79%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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9%

Siawns o Law

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11oC

Pwynt Gwlith

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77%

Lleithder

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90

Ozone

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0.1 mm

Gwlybaniaeth

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102700 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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09:05 PM

Machlud

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4%

Siawns o Law

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10oC

Pwynt Gwlith

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76%

Lleithder

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97

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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29%

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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9oC

Pwynt Gwlith

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75%

Lleithder

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98

Ozone

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0.83 mm

Gwlybaniaeth

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102000 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

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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11%

Siawns o Law

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6oC

Pwynt Gwlith

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62%

Lleithder

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94

Ozone

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0.73 mm

Gwlybaniaeth

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102200 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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09:05 PM

Machlud

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2%

Siawns o Law

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6oC

Pwynt Gwlith

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64%

Lleithder

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97

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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14%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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81%

Siawns o Law

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9oC

Pwynt Gwlith

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80%

Lleithder

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95

Ozone

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13.6 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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92%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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20%

Siawns o Law

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12oC

Pwynt Gwlith

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85%

Lleithder

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90

Ozone

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5.74 mm

Gwlybaniaeth

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101300 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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29%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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27%

Siawns o Law

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11oC

Pwynt Gwlith

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85%

Lleithder

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108

Ozone

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3.03 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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83%

Gorchudd Cwmwl

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05:06 AM

Codiad haul

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09:06 PM

Machlud

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
Dydd Sadwrn - 30
light rain
light rain
light rain
sky is clear
broken clouds
scattered clouds
light rain
light rain
scattered clouds
light rain
Tymheredd Uchaf
Tymheredd Isafswm
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0.47 mm
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0.18 mm
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0.18 mm
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0 mm
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0 mm
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0 mm
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0.1 mm
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0.1 mm
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0 mm
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0.83 mm
Gwlybaniaeth
Siawns o Law

21/05/2026

13o
cloudy
Cymylau wedi torri
12oC / 17oC | teimlo fel 12oC
0% glaw | 0 mm
Lleithder 95%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 11.05 mph
Mynegai UV 0
Codiad Haul / Machlud Haul 05:23 AM / 09:07 PM
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