Merthyr Mawr Weather Forecast

    • 7
    • 11

    Light rain

    • 8
    • 10

    Heavy rain

    • 9
    • 10

    Heavy rain

    • 8
    • 10

    Heavy rain shower

    • 6
    • 10

    Light rain shower

    • 3
    • 7

    Partly cloudy

    • 4
    • 7

    Partly cloudy

Today 8 Feb Wales

Any mist and fog soon clearing with showers quickly developing, these heavy at times and becoming increasingly frequent during the afternoon. Light southerly winds and feeling mild. Maximum temperature 10 °C.

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Merthyr Mawr Temperature Statistics

February Temperature

St-athan (14km)

  • Lowest 4 February, 2026

    3.1 °C

  • Average February

    6.9 °C

  • Highest 4 February, 2026

    10.7 °C

Climate (2021–Present)

St-athan (14km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.5 °C
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