Tonna Weather Forecast

    • 9
    • 10

    Light rain

    • 11
    • 13

    Light rain

    • 7
    • 12

    Heavy rain shower

    • 4
    • 9

    Partly cloudy

    • 7
    • 9

    Cloudy

    • 8
    • 12

    Light rain shower

Today 26 Nov Wales

A dry and cold start but any brightness in the east short-lived. Some rain arriving in the west this morning and turning increasingly wet and breezy more widely this afternoon. Chilly, but turning milder in the south and west later. Maximum Temperature 8C.

Tonight 26 Nov Wales

A wet evening, then drier overnight albeit with occasional drizzly rain possible. Turning murky across the higher ground. Temperatures rising and becoming very mild by the morning. Southwesterly winds strengthening. Minimum Temperature 7C.

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Tonna Temperature Statistics

November Temperature

St-athan (38km)

  • Lowest 21 November, 2025

    -1.3 °C

  • Average November

    9.9 °C

  • Highest 5 November, 2025

    15.9 °C

Climate (2020–Present)

St-athan (38km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.5 °C
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