Merthyr Tydfil Weather Forecast

    • 4
    • 13

    Partly cloudy

    • 5
    • 13

    Cloudy

    • 5
    • 12

    Cloudy

    • 5
    • 12

    Cloudy

    • 6
    • 15

    Partly cloudy

    • 6
    • 16

    Sunny day

    • 5
    • 16

    Sunny day

Today 18 Apr Wales

Dry at first this morning with plenty of sunshine. Cloud will bubble up this afternoon, with sunny spells continuing. Scattered showers will develop later in the afternoon, spreading south. Maximum temperature 15 °C.

Tonight 18 Apr Wales

Showers will ease away tonight, allowing it to become dry and clear across the country. Turning chilly under the clear skies with a few mist and fog patches possible. Minimum temperature 5 °C.

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Merthyr Tydfil Temperature Statistics

April Temperature

Sennybridge (38km)

  • Lowest 14 April, 2026

    0 °C

  • Average April

    7.9 °C

  • Highest 8 April, 2026

    20.8 °C

Climate (2021–Present)

Sennybridge (38km)

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  • Average Low 2021–2026

    5.6 °C

  • Average 2021–2026

    9.3 °C

  • Average High 2021–2026

    12.8 °C
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