Mount Annan Weather Forecast

    • 19
    • 35

    Partly cloudy

    • 21
    • 31

    Showers increasing

    • 14
    • 23

    Partly cloudy

    • 14
    • 26

    Cloudy

    • 15
    • 31

    Sunny

    • 16
    • 32

    Partly cloudy

    • 20
    • 31

    Cloudy

Today 31 Jan Sydney

Partly cloudy. The chance of a thunderstorm in the outer west. The chance of smoke haze later this evening. Winds east to northeasterly 15 to 25 km/h.

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  • Temperature Forecast Bureau of Meteorology

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Mount Annan Temperature Statistics View More

January Temperature

Campbelltown (Mount Annan) (1km)

  • Lowest 5 January, 2026

    13.6 °C

  • Average January

    22.1 °C

  • Highest 10 January, 2026

    41.9 °C

Climate (2021–Present)

Campbelltown (Mount Annan) (1km)

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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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