Narellan Weather Forecast

    • 17
    • 30

    Partly cloudy

    • 17
    • 35

    Mostly sunny

    • 18
    • 39

    Mostly sunny

    • 19
    • 40

    Sunny

    • 20
    • 43

    Sunny

    • 19
    • 24

    Possible shower

    • 17
    • 28

    Possible shower

Today 6 Jan Sydney

Partly cloudy. Slight chance of a shower in the morning and early afternoon. The chance of a thunderstorm in the outer west in the afternoon and early evening. Winds southerly 15 to 20 km/h becoming light before dawn then becoming easterly 15 to 20 km/h in the early afternoon.

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  • Temperature Forecast Bureau of Meteorology

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Narellan Temperature Statistics View More

January Temperature

Campbelltown (Mount Annan) (4km)

  • Lowest 2 January, 2026

    14.5 °C

  • Average January

    20 °C

  • Highest 3 January, 2026

    28.3 °C

Climate (2021–Present)

Campbelltown (Mount Annan) (4km)

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  • Average Low 2021–2026

    10.9 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    23.9 °C
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