Swansea Weather Forecast

    • 14
    • 19

    Cloudy

    • 14
    • 18

    Cloudy

    • 14
    • 16

    Heavy rain

    • 13
    • 16

    Light rain shower

    • 13
    • 16

    Heavy rain

    • 11
    • 15

    Heavy rain shower

    • 12
    • 15

    Light rain shower

Today 30 May Wales

A bright start under some high cloud, sunny spells turning hazy. More in the way of sunshine by the middle part of the afternoon. Staying very warm for many in light winds. Maximum temperature 22 °C.

Tonight 30 May Wales

A mostly dry start to the night with high cloud around. Light rain in the west in the early hours, but a much more comfortable night for many. Minimum temperature 6 °C.

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Swansea Temperature Statistics

May Temperature

Pembrey Sands Samos (31km)

  • Lowest 12 May, 2026

    2.5 °C

  • Average May

    13.3 °C

  • Highest 27 May, 2026

    28.7 °C

Climate (2021–Present)

Pembrey Sands Samos (31km)

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  • Average Low 2021–2026

    8.4 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.5 °C
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