Thornhill Weather Forecast

    • 7
    • 15

    Cloudy

    • 10
    • 12

    Heavy rain

    • 11
    • 16

    Heavy rain shower

    • 11
    • 18

    Light rain shower

    • 12
    • 21

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 11
    • 21

    Partly cloudy

Today 17 May South West England

A bright start but cloud will quickly bubble up allowing a few showers to develop by lunchtime. Showers then becoming increasingly frequent and heavier later in the day. Feeling a little less cool but temperatures still below average. Maximum temperature 15 °C.

Tonight 17 May South West England

Scattered showers continuing overnight with some clearer spells in-between. Showers perhaps becoming more organised and heavier later in the night. Minimum temperature 7 °C.

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Thornhill Temperature Statistics

May Temperature

Brize Norton (12km)

  • Lowest 12 May, 2026

    1.5 °C

  • Average May

    10.9 °C

  • Highest 1 May, 2026

    23.2 °C

Climate (2021–Present)

Brize Norton (12km)

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  • Average Low 2021–2026

    7.6 °C

  • Average 2021–2026

    11.5 °C

  • Average High 2021–2026

    15.3 °C
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