Merthyr Tydfil Weather Forecast

    • 19
    • 32

    Sunny day

    • 15
    • 30

    Sunny day

    • 15
    • 28

    Sunny day

    • 16
    • 26

    Cloudy

    • 17
    • 27

    Sunny day

    • 17
    • 27

    Sunny day

    • 16
    • 26

    Sunny day

Today 10 Jul Wales

Any early fog clearing to leave a hot and sunny day across the country. Light winds and high UV levels expected. A very warm evening and night to come too. Maximum temperature 34 °C.

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Merthyr Tydfil Temperature Statistics

July Temperature

Sennybridge (38km)

  • Lowest 3 July, 2026

    6.3 °C

  • Average July

    16.6 °C

  • Highest 9 July, 2026

    28.9 °C

Climate (2021–2026)

Sennybridge (38km)

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  • Average Low 2021–2026

    5.7 °C

  • Average 2021–2026

    9.4 °C

  • Average High 2021–2026

    12.9 °C
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