Merthyr Vale Weather Forecast

    • 8
    • 20

    Partly cloudy

    • 6
    • 14

    Cloudy

    • 7
    • 18

    Sunny day

    • 8
    • 19

    Sunny day

    • 7
    • 18

    Sunny day

    • 8
    • 17

    Cloudy

Today 27 Apr Wales

A bright and sunny start although cloud may bubble up at times throughout the day. A small chance of the odd shower in the north later but most staying dry. Maximum temperature 20 °C.

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Merthyr Vale Temperature Statistics

April Temperature

St-athan (32km)

  • Lowest 6 April, 2026

    1.8 °C

  • Average April

    10.2 °C

  • Highest 7 April, 2026

    20.3 °C

Climate (2021–Present)

St-athan (32km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    11.8 °C

  • Average High 2021–2026

    14.6 °C
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