Cardiff Flats Weather Forecast

    • 18
    • 28

    Sunny day

    • 20
    • 32

    Sunny day

    • 19
    • 29

    Sunny day

    • 17
    • 23

    Sunny day

    • 16
    • 22

    Partly cloudy

    • 16
    • 21

    Cloudy

Today 11 Aug Wales

Another fine and dry day with plenty of strong sunshine across the region. Slightly breezier than Monday but temperatures climbing higher. Maximum temperature 30 °C.

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  • Temperature Forecast Met Office

  • Temperature Real-Time

Cardiff Flats Temperature Statistics

August Temperature

St-athan (23km)

  • Lowest 7 August, 2026

    9.6 °C

  • Average August

    18.2 °C

  • Highest 3 August, 2026

    27.5 °C

Climate (2021–2026)

St-athan (23km)

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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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