Cardiff Weather Forecast

    • 23
    • 36

    Sunny day

    • 18
    • 25

    Sunny day

    • 17
    • 25

    Partly cloudy

    • 15
    • 20

    Light rain shower

    • 15
    • 19

    Cloudy

    • 15
    • 20

    Cloudy

Today 25 Jun Wales

A dry, warm and sunny start. Turning even hotter than Wednesday with extreme heat continuing and high humidity. A risk of thunderstorms overnight. Maximum temperature 37 °C.

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  • Temperature Real-Time

Cardiff Temperature Statistics

June Temperature

St-athan (20km)

  • Lowest 10 June, 2026

    9.7 °C

  • Average June

    16 °C

  • Highest 23 June, 2026

    30.5 °C

Climate (2021–2026)

St-athan (20km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.9 °C

  • Average High 2021–2026

    14.7 °C
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