Tonmawr Weather Forecast

    • 15
    • 17

    Light rain

    • 14
    • 18

    Light rain

    • 12
    • 18

    Thunder shower

    • 12
    • 17

    Cloudy

    • 14
    • 17

    Light rain shower

    • 13
    • 18

    Heavy rain shower

    • 13
    • 18

    Light rain shower

Today 28 Aug Wales

Showers continuing through the morning these once again often heavy and the odd rumble of thunder. Showers move eastwards through late afternoon, leaving some sunny spells. Feeling warm. Maximum temperature 23 °C.

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Tonmawr Temperature Statistics

August Temperature

St-athan (34km)

  • Lowest 7 August, 2026

    9.6 °C

  • Average August

    18.8 °C

  • Highest 12 August, 2026

    33.2 °C

Climate (2021–2026)

St-athan (34km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.9 °C

  • Average High 2021–2026

    14.8 °C
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