Wollongong Harbour Weather Forecast

    • 21
    • 30

    Partly cloudy

    • 21
    • 33

    Shower or two. Possible storm

    • 22
    • 29

    Possible shower

    • 19
    • 28

    Shower or two

    • 17
    • 29

    Possible shower

    • 18
    • 23

    Shower or two

    • 16
    • 23

    Partly cloudy

Today 20 Dec Wollongong

Partly cloudy. Slight chance of a shower, becoming less likely later tonight. The chance of a thunderstorm. Winds north to northeasterly 15 to 25 km/h turning northwesterly 15 to 20 km/h in the late evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 10 to 15 knots, reaching up to 20 knots south of Port Kembla during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Port Kembla.
1st Swell
Northeasterly below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A high in the Tasman Sea is directing northerly winds over central and northern Coastal Waters while a weak coastal trough brings southerly winds to the remainder. A cold front will bring a fresh to strong southerly change to the southern half on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Wollongong Harbour Temperature Statistics View More

December Temperature

Bellambi (6km)

  • Lowest 2 December, 2025

    12.8 °C

  • Average December

    20.9 °C

  • Highest 5 December, 2025

    36.7 °C

Climate (2020–Present)

Bellambi (6km)

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  • Average Low 2020–2025

    15 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    21.8 °C
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