Harnham Weather Forecast

    • 17
    • 29

    Sunny day

    • 14
    • 24

    Sunny day

    • 15
    • 21

    Cloudy

    • 17
    • 22

    Light rain

    • 15
    • 23

    Light rain

    • 15
    • 23

    Cloudy

    • 16
    • 24

    Cloudy

Today 13 Jul South West England

Temperatures a degree or two lower today, though still widely very warm with sunny spells and light winds. Fair weather cloud bubbling up through the afternoon with a few showers possible in the far west later. Maximum Temperature 29C.

Tonight 13 Jul South West England

Increasingly cloudy overnight with showers spreading northeastwards, these perhaps heavy and thundery at times. Still feeling rather warm and muggy in the east, but a fresher feel further west. Minimum Temperature 13C.

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Harnham Temperature Statistics

July Temperature

Boscombe Down (12km)

  • Lowest 3 July, 2025

    8.8 °C

  • Average July

    19.2 °C

  • Highest 1 July, 2025

    30.9 °C

Climate (2020–Present)

Boscombe Down (12km)

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  • Average Low 2020–2025

    7.1 °C

  • Average 2020–2025

    11 °C

  • Average High 2020–2025

    14.9 °C
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