Grangetown Weather Forecast

    • 11
    • 19

    Partly cloudy

    • 14
    • 21

    Cloudy

    • 15
    • 21

    Cloudy

    • 15
    • 19

    Light rain

    • 15
    • 19

    Cloudy

    • 15
    • 20

    Partly cloudy

    • 15
    • 21

    Cloudy

Today 13 Jun Wales

Mainly sunny in the south and becoming warm by the afternoon. A little more cloud further north and breezier and cooler here with an isolated light shower possible, especially over the higher ground. Maximum temperature 21 °C.

Tonight 13 Jun Wales

A dry night will then follow with winds falling light for all. A mix of some cloud and clear spells. Turning rather chilly under prolonged clear skies. Minimum temperature 4 °C.

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Grangetown Temperature Statistics

June Temperature

St-athan (18km)

  • Lowest 10 June, 2026

    9.7 °C

  • Average June

    13.8 °C

  • Highest 3 June, 2026

    18 °C

Climate (2021–Present)

St-athan (18km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.8 °C

  • Average High 2021–2026

    14.7 °C
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