Cardiff Flats Weather Forecast

    • 10
    • 20

    Sunny day

    • 10
    • 19

    Cloudy

    • 10
    • 18

    Partly cloudy

    • 7
    • 15

    Cloudy

    • 9
    • 17

    Sunny day

    • 10
    • 17

    Sunny day

    • 10
    • 17

    Sunny day

Today 25 Apr Wales

Dry today with plenty of sunshine. A veil of high cloud will move across for a time, making the sunshine hazy, but it will still feel warm in the light winds, and clearer weather will develop during the afternoon. Maximum temperature 21 °C.

Tonight 25 Apr Wales

Staying dry tonight with clear spells, though some cloud developing later. Temperatures will fall under the cloud breaks to give a patchy rural frost. Milder by the coast. Minimum temperature 2 °C.

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Cardiff Flats Temperature Statistics

April Temperature

St-athan (23km)

  • Lowest 6 April, 2026

    1.8 °C

  • Average April

    10.1 °C

  • Highest 7 April, 2026

    20.3 °C

Climate (2021–Present)

St-athan (23km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    11.8 °C

  • Average High 2021–2026

    14.6 °C
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