Grantham Weather Forecast

    • 17
    • 31

    Sunny day

    • 20
    • 30

    Sunny day

    • 18
    • 34

    Sunny day

    • 18
    • 29

    Sunny day

    • 13
    • 24

    Partly cloudy

    • 12
    • 22

    Cloudy

Today 24 Jun East Midlands

Dry with long sunny periods and light winds. Widely very warm or hot with heatwave conditions expected, including overnight. Maximum temperature 37 °C.

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Grantham Temperature Statistics

June Temperature

Cranwell (16km)

  • Lowest 10 June, 2026

    7.3 °C

  • Average June

    15.8 °C

  • Highest 19 June, 2026

    27.6 °C

Climate (2021–2026)

Cranwell (16km)

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  • Average Low 2021–2026

    7.2 °C

  • Average 2021–2026

    10.9 °C

  • Average High 2021–2026

    14.8 °C
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