Cwm Bargoed Weather Forecast

    • 11
    • 17

    Light rain shower

    • 12
    • 17

    Heavy rain

    • 12
    • 16

    Heavy rain shower

    • 11
    • 16

    Light rain shower

    • 11
    • 15

    Heavy rain shower

    • 10
    • 16

    Light rain shower

    • 10
    • 16

    Light rain shower

Today 29 Aug Wales

A mixture of sunshine and showers, these heaviest and most frequent in the east with the odd rumble of thunder, before gradually easing from the west. Temperatures holding around the late August average in any sunnier interludes, but remaining blustery. Maximum Temperature 19C.

Tonight 29 Aug Wales

Any showers mostly easing this evening to leave late sunny spells. The odd shower overnight but most places staying dry with clear spells. Minimum Temperature 8C.

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Cwm Bargoed Temperature Statistics

August Temperature

St-athan (38km)

  • Lowest 2 August, 2025

    10.2 °C

  • Average August

    18.2 °C

  • Highest 12 August, 2025

    31.3 °C

Climate (2020–Present)

St-athan (38km)

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  • Average Low 2020–2025

    8.7 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.5 °C
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