Merthyr Mawr Beach Weather Forecast

    • 5
    • 12

    Light rain

    • 5
    • 8

    Light rain shower

    • 6
    • 9

    Partly cloudy

    • 7
    • 11

    Light rain

    • 9
    • 10

    Cloudy

    • 9
    • 12

    Light rain shower

    • 8
    • 13

    Cloudy

Today 12 Mar Wales

Often wet and windy with the rain occasionally heavy and persistent, especially later. Gales are likely with severe gales possible in parts of North Wales. Mild but turning colder overnight. Maximum temperature 13 °C.

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Merthyr Mawr Beach Temperature Statistics

March Temperature

St-athan (16km)

  • Lowest 5 March, 2026

    5.4 °C

  • Average March

    9 °C

  • Highest 2 March, 2026

    13.8 °C

Climate (2021–Present)

St-athan (16km)

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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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