Rest Bay Weather Forecast

    • 12
    • 15

    Cloudy

    • 13
    • 14

    Overcast

    • 13
    • 17

    Cloudy

    • 14
    • 19

    Mist

    • 14
    • 18

    Partly cloudy

    • 14
    • 20

    Sunny day

    • 15
    • 21

    Sunny day

Today 19 May Wales

Any lingering rain in the east quickly clearing, leaving a blustery day with a mix of sunshine and showers. The showers will be heavy and possibly thundery, before easing later. Warm in the sunny spells, but breezy. Maximum temperature 17 °C.

Tonight 19 May Wales

Showers continuing through the evening, but becoming lighter and gradually easing overnight. Staying breezy, rather cloudy and mild across the country. Minimum temperature 8 °C.

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Rest Bay Temperature Statistics

May Temperature

St-athan (21km)

  • Lowest 15 May, 2026

    4.7 °C

  • Average May

    11.3 °C

  • Highest 9 May, 2026

    19.1 °C

Climate (2021–Present)

St-athan (21km)

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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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