Old St Mellons Weather Forecast

    • 12
    • 17

    Light rain

    • 10
    • 16

    Light rain shower

    • 12
    • 15

    Cloudy

    • 13
    • 16

    Light rain shower

    • 13
    • 17

    Light rain

    • 12
    • 16

    Partly cloudy

    • 12
    • 16

    Cloudy

Today 3 Jun Wales

A spell of persistent rain spreads across the region during the morning, followed by sunny spells and scattered showers in the afternoon. These could prove locally heavy, perhaps with the odd rumble of thunder. Turning increasingly windy through the day. Maximum temperature 18 °C.

Tonight 3 Jun Wales

Further showers or longer spells of rain likely into the evening and overnight. Remaining rather breezy, particularly near coasts and over the hills. Minimum temperature 10 °C.

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Old St Mellons Temperature Statistics

June Temperature

St-athan (26km)

  • Lowest 2 June, 2026

    13.3 °C

  • Average June

    14.8 °C

  • Highest 1 June, 2026

    17.7 °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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