Harrow Weather Forecast

    • 16
    • 22

    Cloudy

    • 13
    • 22

    Light rain

    • 12
    • 21

    Partly cloudy

    • 15
    • 23

    Partly cloudy

    • 15
    • 23

    Cloudy

    • 14
    • 24

    Cloudy

    • 15
    • 24

    Sunny day

Today 3 Aug London and South East England

Rather windy and cloudy Monday, with outbreaks of rain moving east through the afternoon, followed by drier and brighter conditions into the evening. Maximum Temperature 25C.

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  • Temperature Real-Time

Harrow Temperature Statistics

August Temperature

Northolt (6km)

  • Lowest 2 August, 2025

    9.8 °C

  • Average August

    14.3 °C

  • Highest 1 August, 2025

    19.6 °C

Climate (2020–Present)

Northolt (6km)

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  • Average Low 2020–2025

    7.8 °C

  • Average 2020–2025

    11.9 °C

  • Average High 2020–2025

    15.9 °C
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