Grantham Weather Forecast

    • 6
    • 14

    Cloudy

    • 3
    • 11

    Overcast

    • 6
    • 14

    Cloudy

    • 6
    • 16

    Partly cloudy

    • 8
    • 17

    Cloudy

    • 8
    • 15

    Overcast

    • 6
    • 14

    Light rain

Today 5 May East Midlands

Bright or sunny spells but turning cloudier for a time later as scattered showers move south, with a cooler northerly breeze developing. Maximum temperature 14 °C.

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Grantham Temperature Statistics

May Temperature

Cranwell (16km)

  • Lowest 1 May, 2026

    3.7 °C

  • Average May

    12.7 °C

  • Highest 1 May, 2026

    24.6 °C

Climate (2021–Present)

Cranwell (16km)

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  • Average Low 2021–2026

    7.2 °C

  • Average 2021–2026

    10.9 °C

  • Average High 2021–2026

    14.7 °C
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