Bontnewydd Weather Forecast

    • 8
    • 16

    Cloudy

    • 9
    • 18

    Partly cloudy

    • 8
    • 17

    Sunny day

    • 7
    • 15

    Sunny day

    • 10
    • 15

    Partly cloudy

    • 12
    • 16

    Light rain

    • 11
    • 15

    Light rain shower

Today 19 May Wales

Rather cloudy overall, though some bright or sunny spells emerging. Scattered showers developing, perhaps heavy and thundery in places with gusty winds. Feeling less warm than the weekend. Maximum Temperature 19C.

Tonight 19 May Wales

Largely dry this evening with some late sunshine in places. Mostly dry overnight but the odd shower is possibly in the north, elsewhere clear spells and turning chilly in rural spots with light winds. Minimum Temperature 4C.

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Bontnewydd Temperature Statistics

May Temperature

Capel Curig Saws (22km)

  • Lowest 6 May, 2025

    0.5 °C

  • Average May

    11.1 °C

  • Highest 1 May, 2025

    23.2 °C

Climate (2020–Present)

Capel Curig Saws (22km)

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  • Average Low 2020–2025

    6.7 °C

  • Average 2020–2025

    9.7 °C

  • Average High 2020–2025

    12.6 °C
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