Merthyr Tydfil Weather Forecast

    • 5
    • 15

    Cloudy

    • 7
    • 12

    Cloudy

    • 3
    • 10

    Heavy rain

    • 2
    • 7

    Light rain shower

    • 5
    • 8

    Cloudy

    • 3
    • 9

    Light rain shower

Today 22 Mar Wales

Early mist and fog clearing during the morning. Sunshine turning hazier through the afternoon with patchy rain arriving from the north. Feeling pleasant in any sunshine. Maximum temperature 14 °C.

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Merthyr Tydfil Temperature Statistics

March Temperature

Sennybridge (38km)

  • Lowest 21 March, 2026

    -2.2 °C

  • Average March

    6.4 °C

  • Highest 18 March, 2026

    17.3 °C

Climate (2021–2026)

Sennybridge (38km)

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  • Average Low 2021–2026

    5.6 °C

  • Average 2021–2026

    9.3 °C

  • Average High 2021–2026

    12.7 °C
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