Merthyr Mawr Weather Forecast

    • 8
    • 10

    Cloudy

    • 9
    • 11

    Light rain

    • 8
    • 12

    Heavy rain

    • 7
    • 10

    Partly cloudy

    • 10
    • 13

    Partly cloudy

    • 9
    • 13

    Light rain shower

Today 2 Apr Wales

A much brighter day with a mixture of sunny periods and occasional cloudier spells. Staying generally dry until after dark. Cooler than on Wednesday but pleasantly warm in the sunshine. Maximum temperature 12 °C.

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Merthyr Mawr Temperature Statistics

April Temperature

St-athan (14km)

  • Lowest 1 April, 2026

    9.3 °C

  • Average April

    9.4 °C

  • Highest 1 April, 2026

    9.5 °C

Climate (2021–Present)

St-athan (14km)

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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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