Thornhill Weather Forecast

    • 13
    • 20

    Cloudy

    • 11
    • 21

    Partly cloudy

    • 12
    • 21

    Partly cloudy

    • 15
    • 24

    Partly cloudy

    • 13
    • 23

    Partly cloudy

    • 13
    • 23

    Sunny day

    • 17
    • 27

    Sunny day

Today 5 Aug Wales

Dry albeit rather cloudy for most. An increasing chance of showers in the north and west but few if any elsewhere. A windier day and feeling considerably cooler than recently. Maximum temperature 20 °C.

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Thornhill Temperature Statistics

August Temperature

St-athan (39km)

  • Lowest 2 August, 2026

    12 °C

  • Average August

    19.2 °C

  • Highest 3 August, 2026

    27.5 °C

Climate (2021–2026)

St-athan (39km)

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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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