Grantham Weather Forecast

    • 10
    • 27

    Partly cloudy

    • 11
    • 27

    Shower or two

    • 14
    • 26

    Showers

    • 13
    • 26

    Possible shower

    • 13
    • 26

    Possible shower

    • 13
    • 27

    Shower or two

    • 13
    • 27

    Possible shower

Today 23 Apr Southeast Coast

Partly cloudy. Medium chance of showers along the coastal fringe, slight chance elsewhere. Winds south to southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.

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Grantham Temperature Statistics View More

April Temperature

Gatton (14km)

  • Lowest 22 April, 2026

    10.3 °C

  • Average April

    21.4 °C

  • Highest 8 April, 2026

    34.9 °C

Climate (2021–Present)

Gatton (14km)

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  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    19.7 °C

  • Average High 2021–2026

    27.4 °C
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