Penarth Seafront Weather Forecast

    • 6
    • 15

    Cloudy

    • 9
    • 15

    Partly cloudy

    • 8
    • 13

    Light rain shower

    • 7
    • 12

    Light rain shower

    • 7
    • 14

    Partly cloudy

    • 9
    • 13

    Cloudy

    • 9
    • 13

    Cloudy

Today 11 May Wales

Outbreaks of patchy rain will sink south across Wales on Monday, clearing to sunny spells during the afternoon with a northerly breeze slowly increasing. Feeling rather chilly for the time of year, despite the sunshine. Maximum temperature 15 °C.

Tonight 11 May Wales

Dry overnight with variable amounts of cloud and lengthy clear spells developing with a risk of a rural frost in the east. Turning cloudier from the northwest towards dawn. Minimum temperature 1 °C.

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Penarth Seafront Temperature Statistics

May Temperature

St-athan (19km)

  • Lowest 2 May, 2026

    7.3 °C

  • Average May

    12.3 °C

  • Highest 9 May, 2026

    19.1 °C

Climate (2021–Present)

St-athan (19km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.8 °C

  • Average High 2021–2026

    14.6 °C
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