Cardiff Weather Forecast

    • 13
    • 20

    Sunny day

    • 15
    • 22

    Sunny day

    • 16
    • 23

    Partly cloudy

    • 18
    • 24

    Cloudy

    • 18
    • 22

    Light rain shower

    • 16
    • 21

    Heavy rain shower

Today 22 Aug Wales

A dry, bright day with sunny spells and patches of fair weather cloud. After a cool start, temperatures will rise to around average in the sunshine. Maximum temperature 21 °C.

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Cardiff Temperature Statistics

August Temperature

St-athan (19km)

  • Lowest 7 August, 2026

    9.6 °C

  • Average August

    19.1 °C

  • Highest 12 August, 2026

    33.2 °C

Climate (2021–2026)

St-athan (19km)

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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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