Blaenavon Weather Forecast

    • 15
    • 28

    Sunny day

    • 15
    • 29

    Thunder shower

    • 12
    • 25

    Sunny day

    • 12
    • 23

    Cloudy

    • 10
    • 19

    Partly cloudy

    • 11
    • 19

    Cloudy

    • 12
    • 18

    Light rain

Today 25 May Wales

Bank Holiday Monday will be dry and settled with high pressure dominating, giving almost unbroken sunshine throughout the day. It will become hot in the light winds, with afternoon temperatures not far off breaking records for May. Maximum temperature 30 °C.

Tonight 25 May Wales

The fine weather will continue overnight. There will be lots of sunshine to end the day. Patchy cloud will develop overnight, but remaining dry. Quite a warm night too. Minimum temperature 16 °C.

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Blaenavon Temperature Statistics

May Temperature

Hereford (39km)

  • Lowest 12 May, 2026

    0.7 °C

  • Average May

    11.7 °C

  • Highest 22 May, 2026

    26.2 °C

Climate (2021–Present)

Hereford (39km)

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  • Average Low 2021–2026

    6.8 °C

  • Average 2021–2026

    11 °C

  • Average High 2021–2026

    15.1 °C
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