Merthyr Tydfil Weather Forecast

    • 6
    • 10

    Light rain

    • 8
    • 12

    Partly cloudy

    • 6
    • 10

    Heavy rain

    • 9
    • 14

    Heavy rain

    • 8
    • 11

    Light rain shower

    • 8
    • 14

    Heavy rain

Today 21 Oct Wales

Wet and windy with outbreaks of heavier rain through much of the day, pushing away during the afternoon to leave some evening bright spells. Strong winds reaching gale at coasts. Maximum temperature 10 °C.

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Merthyr Tydfil Temperature Statistics

October Temperature

Sennybridge (38 km)

  • Lowest 18 October, 2026

    -0.2 °C

  • Average October

    10.6 °C

  • Highest 12 October, 2026

    17.9 °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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