Cardiff Weather Forecast

    • 11
    • 20

    Sunny day

    • 11
    • 19

    Partly cloudy

    • 10
    • 18

    Partly cloudy

    • 12
    • 17

    Cloudy

    • 13
    • 15

    Cloudy

Today 21 May Wales

A dry, fine, and sunny day with light winds. Feeling warm in the sunshine, although cooler along the north and west coasts with the onshore breeze and along the south coast in the afternoon when a sea-breeze develops. Maximum Temperature 19C.

Tonight 21 May Wales

A dry and clear start to the night, although cloud cover increasing from the west overnight. Turning chilly in rural eastern parts by dawn. Light winds. Minimum Temperature 3C.

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Cardiff Temperature Statistics

May Temperature

St-athan (11.8 miles)

  • Lowest 6 May, 2019

    2.6 °C
  • Average May

    10.7 °C
  • Highest 14 May, 2019

    18.7 °C

Climate (2011–Present)

St-athan (11.8 miles)

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  • Average Low 2011–Present

    8 °C
  • Average 2011–Present

    10.5 °C
  • Average High 2011–Present

    12.8 °C
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