Lake Illawarra - Windang Bridge Weather Forecast

    • 18
    • 36

    Mostly sunny

    • 21
    • 37

    Partly cloudy

    • 18
    • 22

    Shower or two

    • 16
    • 27

    Partly cloudy

    • 17
    • 32

    Sunny

    • 18
    • 25

    Possible shower

    • 17
    • 22

    Shower or two

Today 5 Dec Wollongong

Mostly sunny. The chance of a thunderstorm in the afternoon. Winds north to northwesterly 15 to 25 km/h turning east to northeasterly 20 to 30 km/h in the middle of the day then tending northwest to northeasterly in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northeasterly 15 to 20 knots increasing to 20 to 25 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Mostly sunny.
Weather Situation
A high pressure system lies over the Tasman Sea, extending a ridge over the state. Northerly winds strengthening by the weekend, with a brief weak southerly change expected along the south coast today. Then, a cold front will cross the state during the weekend, bringing a fresh to strong southerly wind change over coastal waters in its wake.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lake Illawarra - Windang Bridge Temperature Statistics View More

December Temperature

Illawarra Regional Airport (7km)

  • Lowest 1 December, 2025

    7.4 °C

  • Average December

    17.7 °C

  • Highest 3 December, 2025

    26.9 °C

Climate (2020–Present)

Illawarra Regional Airport (7km)

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  • Average Low 2020–2025

    12.4 °C

  • Average 2020–2025

    17.1 °C

  • Average High 2020–2025

    22.6 °C
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