Old Furnace Weather Forecast

    • 17
    • 21

    Cloudy

    • 10
    • 19

    Cloudy

    • 12
    • 19

    Partly cloudy

    • 14
    • 22

    Sunny day

    • 12
    • 19

    Cloudy

    • 10
    • 17

    Sunny day

Today 3 Sep Wales

Any overnight rain becoming restricted to western coasts where it will may remain largely cloudy throughout the day. Bright spells developing elsewhere, and in any brightness it will feel warm. Maximum temperature 23 °C.

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Old Furnace Temperature Statistics

September Temperature

St-athan (41km)

  • Lowest 1 September, 2026

    13 °C

  • Average September

    16.8 °C

  • Highest 1 September, 2026

    20.1 °C

Climate (2021–2026)

St-athan (41km)

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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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