Narellan Weather Forecast

    • 17
    • 32

    Partly cloudy

    • 15
    • 22

    Shower or two

    • 14
    • 21

    Cloudy

    • 15
    • 27

    Partly cloudy

    • 14
    • 33

    Sunny

    • 18
    • 34

    Possible shower developing

    • 18
    • 29

    Shower or two

Today 14 Dec Sydney

Partly cloudy. Slight chance of a shower later tonight. Winds northwest to southwesterly 20 to 30 km/h tending southerly 35 to 55 km/h in the late evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Narellan Temperature Statistics View More

December Temperature

Campbelltown (Mount Annan) (4km)

  • Lowest 1 December, 2025

    7.4 °C

  • Average December

    21.4 °C

  • Highest 6 December, 2025

    40.7 °C

Climate (2020–Present)

Campbelltown (Mount Annan) (4km)

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  • Average Low 2020–2025

    10.9 °C

  • Average 2020–2025

    16.5 °C

  • Average High 2020–2025

    23.9 °C
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