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0F | 0C
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Tywydd 15 Diwrnod - Isle of Anglesey

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47%

Siawns o Law

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9oC

Pwynt Gwlith

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90%

Lleithder

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91

Ozone

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8.69 mm

Gwlybaniaeth

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100300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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95%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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58%

Siawns o Law

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12oC

Pwynt Gwlith

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92%

Lleithder

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94

Ozone

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7.53 mm

Gwlybaniaeth

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101700 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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7%

Siawns o Law

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12oC

Pwynt Gwlith

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85%

Lleithder

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97

Ozone

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2.3 mm

Gwlybaniaeth

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102400 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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6%

Siawns o Law

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13oC

Pwynt Gwlith

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90%

Lleithder

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100

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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87%

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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13oC

Pwynt Gwlith

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89%

Lleithder

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100

Ozone

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0.22 mm

Gwlybaniaeth

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102700 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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85%

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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13oC

Pwynt Gwlith

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83%

Lleithder

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96

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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14%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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17%

Siawns o Law

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14oC

Pwynt Gwlith

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89%

Lleithder

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96

Ozone

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0.69 mm

Gwlybaniaeth

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102400 hPa

Pwysedd

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Gogledd

Cyfeiriad y Gwynt

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89%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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51%

Siawns o Law

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11oC

Pwynt Gwlith

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85%

Lleithder

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97

Ozone

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7.8 mm

Gwlybaniaeth

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102500 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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90%

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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7oC

Pwynt Gwlith

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73%

Lleithder

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108

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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17%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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7%

Siawns o Law

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9oC

Pwynt Gwlith

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85%

Lleithder

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91

Ozone

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2.51 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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95%

Gorchudd Cwmwl

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05:05 AM

Codiad haul

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09:05 PM

Machlud

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56%

Siawns o Law

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12oC

Pwynt Gwlith

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88%

Lleithder

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106

Ozone

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7.43 mm

Gwlybaniaeth

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101700 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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95%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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78%

Siawns o Law

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9oC

Pwynt Gwlith

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86%

Lleithder

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107

Ozone

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9.15 mm

Gwlybaniaeth

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101200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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91%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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6%

Siawns o Law

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7oC

Pwynt Gwlith

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78%

Lleithder

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93

Ozone

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0.48 mm

Gwlybaniaeth

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102200 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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91%

Gorchudd Cwmwl

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04:05 AM

Codiad haul

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09:05 PM

Machlud

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11%

Siawns o Law

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7oC

Pwynt Gwlith

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81%

Lleithder

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94

Ozone

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2.32 mm

Gwlybaniaeth

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102300 hPa

Pwysedd

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Gogledd Gogledd Ddwyrain

Cyfeiriad y Gwynt

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84%

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
light rain
light rain
light rain
few clouds
light rain
light rain
few clouds
Tymheredd Uchaf
Tymheredd Isafswm
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7.55 mm
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8.69 mm
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7.53 mm
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2.3 mm
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0.11 mm
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0.22 mm
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0 mm
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0.69 mm
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7.8 mm
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0 mm
Gwlybaniaeth
Siawns o Law

18/05/2026

11o
partly-cloudy-day
Ychydig o gymylau
8oC / 14oC | teimlo fel 10oC
8% glaw | 0 mm
Lleithder 71%
Gweledigaeth 6.21 miles
Cyflymder y Gwynt 9.98 mph
Mynegai UV 3.53
Codiad Haul / Machlud Haul 05:13 AM / 09:14 PM
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