Cardiff Flats Weather Forecast

    • 6
    • 16

    Sunny day

    • 6
    • 15

    Cloudy

    • 5
    • 13

    Sunny day

    • 7
    • 12

    Partly cloudy

    • 7
    • 12

    Cloudy

    • 8
    • 11

    Cloudy

    • 7
    • 10

    Partly cloudy

Today 19 Mar Wales

A chilly start, and once any mist or fog clears, a fine Thursday is to come with warm spells of sunshine and light winds. Maximum temperature 16 °C.

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Cardiff Flats Temperature Statistics

March Temperature

St-athan (23km)

  • Lowest 14 March, 2026

    2.6 °C

  • Average March

    8.6 °C

  • Highest 2 March, 2026

    13.8 °C

Climate (2021–2026)

St-athan (23km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.6 °C
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