Old St Mellons Weather Forecast

    • 12
    • 16

    Overcast

    • 13
    • 18

    Light rain

    • 11
    • 16

    Light rain shower

    • 10
    • 15

    Light rain shower

    • 12
    • 15

    Partly cloudy

    • 12
    • 15

    Light rain

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    Light rain shower

Today 6 Jun Wales

A wet start to the morning, with rain clearing northwards. Soon brightening up with a mixture of sunshine and showers, some heavy with the risk of thunder. Windy at times, with gales along the south coast. Maximum temperature 17 °C.

Tonight 6 Jun Wales

Heavy showers will clear eastwards during the evening. Mostly dry overnight, with clear spells. However, a few light showers remain possible. Staying breezy. Minimum temperature 7 °C.

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Old St Mellons Temperature Statistics

June Temperature

St-athan (26km)

  • Lowest 5 June, 2026

    11.3 °C

  • Average June

    14.2 °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

    11.9 °C

  • Average High 2021–2026

    14.7 °C
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