South Grafton Weather Forecast

    • 21
    • 30

    Mostly clear

    • 20
    • 33

    Partly cloudy

    • 19
    • 24

    Shower or two

    • 16
    • 23

    Possible shower

    • 16
    • 26

    Mostly sunny

    • 14
    • 26

    Partly cloudy

    • 15
    • 28

    Partly cloudy

Today 24 Dec Northern Rivers

Mostly clear. Slight chance of a shower. The chance of a thunderstorm near the Queensland border, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the late afternoon and evening. Light winds.

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South Grafton Temperature Statistics View More

December Temperature

Grafton Airport (9km)

  • Lowest 3 December, 2025

    10.7 °C

  • Average December

    23 °C

  • Highest 21 December, 2025

    37.6 °C

Climate (2020–Present)

Grafton Airport (9km)

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  • Average Low 2020–2025

    13.1 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    25.9 °C
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