South Grafton Weather Forecast

    • 19
    • 24

    Shower or two

    • 16
    • 23

    Cloudy

    • 15
    • 28

    Mostly sunny

    • 14
    • 26

    Partly cloudy

    • 13
    • 28

    Mostly sunny

    • 13
    • 34

    Mostly sunny

    • 19
    • 33

    Possible shower developing

Today 26 Dec Northern Rivers

Cloudy. High chance of showers. The chance of a thunderstorm inland in the afternoon. Winds southerly 15 to 20 km/h becoming light before dawn then becoming south to southeasterly 20 to 30 km/h in the early morning. Overnight temperatures falling to around 19 with daytime temperatures reaching the low to mid 20s.

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South Grafton Temperature Statistics View More

December Temperature

Grafton Airport (9km)

  • Lowest 3 December, 2025

    10.7 °C

  • Average December

    23.2 °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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