Cardiff Flats Weather Forecast

    • 9
    • 15

    Cloudy

    • 9
    • 14

    Cloudy

    • 9
    • 14

    Cloudy

    • 11
    • 16

    Cloudy

    • 11
    • 17

    Cloudy

    • 10
    • 16

    Cloudy

    • 8
    • 14

    Cloudy

Today 5 May Wales

Mostly cloudy and dry today. Cloud may thin and break a little at times to give some brighter spells. However, where the cloud thickens there could be a few spots of drizzle. Maximum temperature 16 °C.

Tonight 5 May Wales

Staying largely cloudy this evening and tonight with an increasing chance of drizzly outbreaks. Thickening cloud will hold temperatures up above freezing. Minimum temperature 4 °C.

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Cardiff Flats Temperature Statistics

May Temperature

St-athan (23km)

  • Lowest 2 May, 2026

    7.3 °C

  • Average May

    12.1 °C

  • Highest 2 May, 2026

    16.1 °C

Climate (2021–Present)

St-athan (23km)

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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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