St Mellons Weather Forecast

    • 9
    • 11

    Cloudy

    • 11
    • 13

    Sunny day

    • 11
    • 14

    Partly cloudy

    • 9
    • 13

    Cloudy

    • 12
    • 14

    Cloudy

    • 11
    • 14

    Cloudy

Today 26 Oct Wales

Rather chilly first thing with some early morning spells of sunshine. Turning increasingly cloudy through the day, with spells of rain spreading into northern parts by the afternoon. More widely wet later. Feeling chilly in a brisk northwesterly wind. Maximum Temperature 11C.

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St Mellons Temperature Statistics

October Temperature

St-athan (27km)

  • Lowest 23 October, 2025

    7.3 °C

  • Average October

    12.5 °C

  • Highest 3 October, 2025

    18.4 °C

Climate (2020–Present)

St-athan (27km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    14.5 °C
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