Tonmawr Weather Forecast

    • 4
    • 6

    Overcast

    • 8
    • 9

    Heavy rain

    • 9
    • 10

    Heavy rain

    • 7
    • 10

    Light rain shower

    • 8
    • 10

    Light rain

    • 8
    • 10

    Heavy rain

    • 6
    • 10

    Heavy rain shower

Today 19 Feb Wales

Overnight rain and snow will clear to leave a sunny but chilly day on Thursday, with lighter winds. Milder on Friday and Saturday, though some rain, and becoming windy again.

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Tonmawr Temperature Statistics

February Temperature

St-athan (34km)

  • Lowest 14 February, 2026

    0.5 °C

  • Average February

    7 °C

  • Highest 11 February, 2026

    10.9 °C

Climate (2021–Present)

St-athan (34km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.5 °C
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