Merthyr Tydfil Weather Forecast

    • 9
    • 16

    Light rain

    • 7
    • 12

    Cloudy

    • 10
    • 12

    Cloudy

    • 14
    • 16

    Heavy rain

    • 11
    • 17

    Light rain

    • 10
    • 15

    Light rain

Today 9 Oct Wales

Rain, sometimes heavy, will clear into the afternoon to become bright with a few scattered showers and a strong westerly breeze. Maximum temperature 18 °C.

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Merthyr Tydfil Temperature Statistics

October Temperature

Sennybridge (38 km)

  • Lowest 4 October, 2026

    1.2 °C

  • Average October

    12.5 °C

  • Highest 3 October, 2026

    17.5 °C

Climate (2021–2026)

Sennybridge (38 km)

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  • Average Low 2021–2026

    5.7 °C

  • Average 2021–2026

    9.5 °C

  • Average High 2021–2026

    13 °C
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