Grangetown Weather Forecast

    • 15
    • 22

    Cloudy

    • 18
    • 21

    Partly cloudy

    • 18
    • 24

    Cloudy

    • 17
    • 24

    Sunny day

    • 17
    • 22

    Cloudy

    • 16
    • 22

    Partly cloudy

Today 26 Jul Wales

A cloudy and wet start to the day with strengthening winds. Rain will ease a little into the afternoon, becoming more showery with a chance of brighter spells. Maximum temperature 20 °C.

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Grangetown Temperature Statistics

July Temperature

St-athan (18km)

  • Lowest 3 July, 2026

    11.1 °C

  • Average July

    19.7 °C

  • Highest 10 July, 2026

    31.9 °C

Climate (2021–2026)

St-athan (18km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.9 °C

  • Average High 2021–2026

    14.7 °C
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