Underwood Weather Forecast

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    • 8

    Overcast

    • 3
    • 4

    Partly cloudy

    • 1
    • 5

    Sunny day

    • 2
    • 4

    Sunny day

    • 4
    • 7

    Sunny day

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    Overcast

Today 23 Dec Wales

Largely cloudy this morning with outbreaks of drizzle and fog over the hills. Cloud gradually lifting this afternoon to give some brighter spells, particularly in the west. Turning increasingly breezy. Maximum Temperature 9C.

Tonight 23 Dec Wales

Dry tonight with partly cloudy skies. Turning chilly under any cloud breaks, perhaps with a touch of frost in the countryside. Minimum Temperature 0C.

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Underwood Temperature Statistics

December Temperature

St-athan (44km)

  • Lowest 17 December, 2025

    1 °C

  • Average December

    9.5 °C

  • Highest 9 December, 2025

    15.2 °C

Climate (2020–Present)

St-athan (44km)

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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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