Merthyr Tydfil Weather Forecast

    • 10
    • 20

    Partly cloudy

    • 14
    • 19

    Cloudy

    • 14
    • 17

    Light rain

    • 12
    • 17

    Light rain shower

    • 9
    • 17

    Partly cloudy

    • 11
    • 19

    Sunny day

Today 3 Jul Wales

A bright and sunny start, with cloud slowly bubbling up through the day. Plenty of warm sunshine, though the odd spot of rain is possible by the afternoon. Light winds. Maximum Temperature 21C.

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Merthyr Tydfil Temperature Statistics

July Temperature

Sennybridge (38km)

  • Lowest 2 July, 2025

    10 °C

  • Average July

    14.6 °C

  • Highest 1 July, 2025

    20.8 °C

Climate (2020–Present)

Sennybridge (38km)

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  • Average Low 2020–2025

    5.5 °C

  • Average 2020–2025

    9.1 °C

  • Average High 2020–2025

    12.6 °C
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