Sarn Weather Forecast

    • 17
    • 24

    Cloudy

    • 12
    • 24

    Partly cloudy

    • 16
    • 22

    Cloudy

    • 18
    • 21

    Cloudy

    • 16
    • 21

    Cloudy

    • 14
    • 19

    Partly cloudy

    • 14
    • 19

    Cloudy

Today 14 Aug Wales

Isolated showery outbreaks will spread southeastwards throughout Friday but tending to weaken as it does so. Many areas becoming dry during the afternoon with sunny spells but feeling cooler. Maximum temperature 28 °C.

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Sarn Temperature Statistics

August Temperature

St-athan (18km)

  • Lowest 7 August, 2026

    9.6 °C

  • Average August

    19.2 °C

  • Highest 12 August, 2026

    33.2 °C

Climate (2021–2026)

St-athan (18km)

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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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