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0F | 0C
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Tywydd 15 Diwrnod - Richmond upon Thames

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4%

Siawns o Law

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12oC

Pwynt Gwlith

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83%

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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41%

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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81%

Lleithder

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96

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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33%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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08:05 PM

Machlud

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0%

Siawns o Law

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14oC

Pwynt Gwlith

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85%

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

Cyfeiriad y Gwynt

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73%

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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14oC

Pwynt Gwlith

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81%

Lleithder

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100

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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9%

Gorchudd Cwmwl

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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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8oC

Pwynt Gwlith

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66%

Lleithder

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110

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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43%

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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8oC

Pwynt Gwlith

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71%

Lleithder

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100

Ozone

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0 mm

Gwlybaniaeth

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103300 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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15%

Siawns o Law

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8oC

Pwynt Gwlith

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71%

Lleithder

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97

Ozone

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0.69 mm

Gwlybaniaeth

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103200 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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74%

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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6oC

Pwynt Gwlith

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71%

Lleithder

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90

Ozone

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0 mm

Gwlybaniaeth

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103400 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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16%

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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6oC

Pwynt Gwlith

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69%

Lleithder

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103

Ozone

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0 mm

Gwlybaniaeth

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103400 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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30%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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3%

Siawns o Law

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4oC

Pwynt Gwlith

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68%

Lleithder

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93

Ozone

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0 mm

Gwlybaniaeth

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103300 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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49%

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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3oC

Pwynt Gwlith

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66%

Lleithder

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92

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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62%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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16%

Siawns o Law

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4oC

Pwynt Gwlith

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68%

Lleithder

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101

Ozone

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0.6 mm

Gwlybaniaeth

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102700 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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26%

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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8oC

Pwynt Gwlith

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74%

Lleithder

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105

Ozone

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1.95 mm

Gwlybaniaeth

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102000 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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48%

Gorchudd Cwmwl

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04:06 AM

Codiad haul

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09:06 PM

Machlud

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14%

Siawns o Law

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8oC

Pwynt Gwlith

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74%

Lleithder

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107

Ozone

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1.63 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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59%

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
broken clouds
sky is clear
scattered clouds
sky is clear
light rain
few clouds
scattered clouds
Tymheredd Uchaf
Tymheredd Isafswm
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1.01 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
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0 mm
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0 mm
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0.69 mm
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0 mm
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0 mm
Gwlybaniaeth
Siawns o Law

20/05/2026

19o
cloudy
Cymylau wedi torri
12oC / 20oC | teimlo fel 19oC
0% glaw | 0 mm
Lleithder 62%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 14.76 mph
Mynegai UV 4.71
Codiad Haul / Machlud Haul 05:02 AM / 08:52 PM
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