Illawong Weather Forecast

    • 22
    • 34

    Mostly sunny

    • 22
    • 28

    Shower or two

    • 21
    • 34

    Possible shower or storm

    • 23
    • 29

    Possible shower

    • 20
    • 28

    Possible shower

    • 20
    • 27

    Partly cloudy

    • 20
    • 23

    Shower or two

Today 19 Dec Sydney

Sunny morning. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Light winds becoming southeast to southwesterly 15 to 20 km/h in the middle of the day.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Illawong Temperature Statistics View More

December Temperature

Bankstown Airport (10km)

  • Lowest 1 December, 2025

    9.7 °C

  • Average December

    22.4 °C

  • Highest 6 December, 2025

    40.8 °C

Climate (2020–Present)

Bankstown Airport (10km)

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  • Average Low 2020–2025

    12.7 °C

  • Average 2020–2025

    17.7 °C

  • Average High 2020–2025

    24 °C
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