Cardiff Weather Forecast

    • 16
    • 25

    Cloudy

    • 17
    • 24

    Cloudy

    • 19
    • 22

    Partly cloudy

    • 16
    • 22

    Cloudy

    • 15
    • 20

    Partly cloudy

    • 15
    • 19

    Light rain shower

    • 14
    • 19

    Sunny day

Today 15 Aug Wales

A mainly dry and bright day, with spells of hazy sunshine. A few light showers are possible, mainly during the morning and in the north. A light northerly breezy, allowing temperatures to be a little lower than of late. Maximum temperature 25 °C.

Tonight 15 Aug Wales

Some sunshine ahead of dusk, then a clear night with light winds. A little cooler for many, but likely to stay warm for urban areas. Perhaps cloud increasing towards dawn. Minimum temperature 12 °C.

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Cardiff Temperature Statistics

August Temperature

St-athan (20km)

  • Lowest 7 August, 2026

    9.6 °C

  • Average August

    19.4 °C

  • Highest 12 August, 2026

    33.2 °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

    14.8 °C
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