Cwm Bargoed Weather Forecast

    • 9
    • 17

    Cloudy

    • 11
    • 14

    Cloudy

    • 12
    • 16

    Light rain shower

    • 10
    • 16

    Partly cloudy

    • 10
    • 17

    Cloudy

    • 10
    • 16

    Cloudy

    • 9
    • 16

    Cloudy

Today 30 Sep Wales

Early rain in the east quickly clearing, leaving a morning of sunshine and a scattering of showers, mainly in the west. The showers becoming more widespread throughout the afternoon, potentially turning heavy in places. Feeling warm in the sunshine. Maximum temperature 21 °C.

Tonight 30 Sep Wales

Scattered showers continuing this evening and overnight, with some clearer spells developing in between. Feeling a little cooler than last night, especially in the clearer spells. Minimum temperature 10 °C.

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Cwm Bargoed Temperature Statistics

September Temperature

St-athan (38km)

  • Lowest 26 September, 2026

    8.9 °C

  • Average September

    16.3 °C

  • Highest 6 September, 2026

    25.1 °C

Climate (2021–2026)

St-athan (38km)

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  • Average Low 2021–2026

    9.1 °C

  • Average 2021–2026

    12 °C

  • Average High 2021–2026

    14.8 °C
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