Lake Illawarra - Windang Bridge Weather Forecast

    • 20
    • 35

    Cloudy

    • 20
    • 31

    Shower or two

    • 20
    • 31

    Shower or two. Possible storm

    • 23
    • 30

    Shower or two

    • 18
    • 28

    Shower or two

    • 16
    • 30

    Shower or two

    • 17
    • 22

    Shower or two

Today 19 Dec Wollongong

Cloudy. Slight chance of a shower. The chance of a thunderstorm. Winds southeast to southwesterly 15 to 20 km/h.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
South to southwesterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Northeasterly around 1 metre.
Weather
Cloudy. The chance of a thunderstorm inshore.
Weather Situation
A high in the Tasman Sea is directing northerly winds over Coastal Waters. A weak trough will bring a brief southerly change to much of the coast today, before winds turn northerly again over the weekend. Following this, a cold front will bring a fresh to strong southerly change later on Sunday or Monday.
Graph Plots Open in Graphs

  • 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

    20.3 °C

  • Highest 5 December, 2025

    37.9 °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

    22.7 °C
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