Old St Mellons Weather Forecast

    • 14
    • 15

    Heavy rain

    • 12
    • 16

    Light rain

    • 12
    • 19

    Sunny day

    • 14
    • 20

    Partly cloudy

    • 14
    • 20

    Partly cloudy

    • 14
    • 19

    Cloudy

Today 11 Jun Wales

A wet morning as rain spreads across the region, locally heavy at times. Rain turning lighter and patchier in the afternoon, but remaining widely cloudy. Feeling muggy despite being windy. Maximum temperature 17 °C.

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Old St Mellons Temperature Statistics

June Temperature

St-athan (26km)

  • Lowest 9 June, 2026

    10.6 °C

  • Average June

    13.8 °C

  • Highest 3 June, 2026

    18 °C

Climate (2021–Present)

St-athan (26km)

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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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