Sarn Weather Forecast

    • 7
    • 13

    Sunny day

    • 7
    • 17

    Sunny day

    • 6
    • 15

    Sunny day

    • 6
    • 13

    Partly cloudy

    • 4
    • 12

    Sunny day

    • 6
    • 11

    Cloudy

    • 5
    • 10

    Cloudy

Today 17 Mar Wales

A predominantly cloudy day with occasional drizzle, this chiefly over higher ground in the west. Occasional brighter spells developing, especially later. Blustery southerly winds and windy in the northwest. Warmer. Maximum temperature 14 °C.

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Sarn Temperature Statistics

March Temperature

St-athan (18km)

  • Lowest 14 March, 2026

    2.6 °C

  • Average March

    8.6 °C

  • Highest 2 March, 2026

    13.8 °C

Climate (2021–Present)

St-athan (18km)

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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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