Old St Mellons Weather Forecast

    • 13
    • 18

    Light rain

    • 12
    • 17

    Light rain shower

    • 11
    • 16

    Heavy rain shower

    • 12
    • 15

    Cloudy

    • 12
    • 16

    Light rain shower

    • 13
    • 16

    Cloudy

    • 12
    • 17

    Light rain shower

Today 2 Jun Wales

Scattered showers today with occasional bright spells in between. The showers will be heavy at times with a risk of thunder and hail. Feeling pleasant in any brighter spells with a gentle breeze. Maximum temperature 20 °C.

Tonight 2 Jun Wales

Showers will gradually fade to leave clear spells, although the odd shower is still possible at times. Cloud thickens in the early hours with rain arriving in the west. Minimum temperature 9 °C.

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Old St Mellons Temperature Statistics

June Temperature

St-athan (26km)

  • Lowest 1 June, 2026

    13.5 °C

  • Average June

    14.1 °C

  • Highest 1 June, 2026

    14.9 °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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