Merthyr Tydfil Weather Forecast

    • 15
    • 29

    Sunny day

    • 15
    • 29

    Sunny day

    • 15
    • 26

    Sunny day

    • 17
    • 27

    Partly cloudy

    • 18
    • 28

    Partly cloudy

    • 17
    • 26

    Light rain shower

    • 15
    • 24

    Partly cloudy

Today 11 Jul Wales

The heatwave continues on Saturday with another dry and sunny day. Feeling hot with high UV but a more notable breeze developing throughout the day. Strong gusts around the coast. Maximum temperature 32 °C.

Tonight 11 Jul Wales

Remaining dry and warm across the region this evening perhaps with a few patches of low cloud in the east. Minimum temperature 16 °C.

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Merthyr Tydfil Temperature Statistics

July Temperature

Sennybridge (38km)

  • Lowest 3 July, 2026

    6.3 °C

  • Average July

    17.5 °C

  • Highest 10 July, 2026

    30.7 °C

Climate (2021–2026)

Sennybridge (38km)

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  • Average Low 2021–2026

    5.7 °C

  • Average 2021–2026

    9.4 °C

  • Average High 2021–2026

    12.9 °C
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