Pontnewydd Weather Forecast

    • 2
    • 9

    Partly cloudy

    • 9
    • 9

    Heavy rain

    • 7
    • 11

    Heavy rain

    • 7
    • 10

    Sunny day

    • 2
    • 10

    Light rain

    • 3
    • 7

    Sunny day

Today 16 Dec Wales

A bright and dry start for most, with some patchy cloud lingering at first. A largely settled day, with prolonged sunshine, though the odd light shower is possible in the west. A light breeze, with temperatures near average. Maximum Temperature 9C.

Tonight 16 Dec Wales

Remaining largely settled overnight, with skies becoming clear allowing frost patches to form. Turning increasingly cloudy with strengthening winds from the west from dawn ahead of a rain band. Minimum Temperature 3C.

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Pontnewydd Temperature Statistics

December Temperature

St-athan (40km)

  • Lowest 5 December, 2025

    1.8 °C

  • Average December

    9.9 °C

  • Highest 9 December, 2025

    15.2 °C

Climate (2020–Present)

St-athan (40km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    14.5 °C
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