Old St Mellons Weather Forecast

    • 7
    • 14

    Sunny day

    • 9
    • 13

    Sunny day

    • 9
    • 13

    Partly cloudy

    • 10
    • 14

    Cloudy

    • 10
    • 13

    Cloudy

    • 12
    • 14

    Partly cloudy

Today 17 Oct Wales

A bright start to Saturday, with long sunny spells but turning cloudier throughout the afternoon. Temperatures remaining around average for the time of year. Maximum temperature 14 °C.

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Old St Mellons Temperature Statistics

October Temperature

St-athan (26 km)

  • Lowest 4 October, 2026

    7.7 °C

  • Average October

    14.7 °C

  • Highest 2 October, 2026

    20.3 °C

Climate (2021–2026)

St-athan (26 km)

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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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