Narellan Weather Forecast

    • 12
    • 30

    Possible storm

    • 12
    • 35

    Partly cloudy

    • 12
    • 16

    Showers

    • 9
    • 19

    Possible shower

    • 7
    • 22

    Partly cloudy

    • 7
    • 27

    Sunny

    • 10
    • 31

    Sunny

Today 25 Sep Sydney

Partly cloudy. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the west. Winds northeasterly 15 to 25 km/h becoming light in the evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Narellan Temperature Statistics View More

September Temperature

Campbelltown (Mount Annan) (4km)

  • Lowest 18 September, 2026

    2.8 °C

  • Average September

    15.6 °C

  • Highest 20 September, 2026

    32.9 °C

Climate (2021–2026)

Campbelltown (Mount Annan) (4km)

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  • Average Low 2021–2026

    11.2 °C

  • Average 2021–2026

    16.7 °C

  • Average High 2021–2026

    24.1 °C
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