Cardiff Weather Forecast

    • 7
    • 14

    Cloudy

    • 9
    • 14

    Cloudy

    • 9
    • 13

    Cloudy

    • 12
    • 13

    Heavy rain

    • 12
    • 16

    Light rain shower

    • 12
    • 16

    Cloudy

Today 15 May Wales

The odd early shower is possible, otherwise a dry day ahead with light winds and plenty of sunshine by the afternoon. Feeling less chilly in lighter winds. Maximum temperature 13 °C.

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  • Temperature Forecast Met Office

  • Temperature Real-Time

Cardiff Temperature Statistics

May Temperature

St-athan (19km)

  • Lowest 11 May, 2026

    4.8 °C

  • Average May

    11.6 °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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