Lake Illawarra Weather Forecast

    • 12
    • 22

    Partly cloudy

    • 12
    • 24

    Mostly sunny

    • 11
    • 26

    Sunny

    • 14
    • 26

    Becoming cloudy

    • 15
    • 23

    Shower or two

    • 15
    • 25

    Possible shower

    • 16
    • 27

    Possible shower

Today 28 Dec Wollongong

Partly cloudy. Slight chance of a shower in the morning and early afternoon. Winds southwesterly 25 to 35 km/h turning southerly in the morning then decreasing to 15 to 25 km/h in the evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lake Illawarra Temperature Statistics View More

December Temperature

Illawarra Regional Airport (6km)

  • Lowest 1 December, 2025

    7.4 °C

  • Average December

    20.8 °C

  • Highest 5 December, 2025

    37.9 °C

Climate (2020–Present)

Illawarra Regional Airport (6km)

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  • Average Low 2020–2025

    12.4 °C

  • Average 2020–2025

    17.1 °C

  • Average High 2020–2025

    22.7 °C
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