Stack Island Weather Forecast

    • 15
    • 23

    Possible shower

    • 16
    • 22

    Showers

    • 17
    • 23

    Showers

    • 17
    • 25

    Partly cloudy

    • 19
    • 28

    Showers increasing

    • 17
    • 23

    Shower or two

    • 14
    • 20

    Possible shower

Today 21 Oct Illawarra

Partly cloudy. Slight chance of a shower in the north, near zero chance elsewhere. The chance of a thunderstorm in the north early this evening. Winds east to northeasterly 15 to 25 km/h becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northeasterly 10 to 15 knots, reaching up to 20 knots offshore north of Port Kembla in the evening.
Seas
Around 1 metre.
1st Swell
Northeasterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A strong high pressure system over the Tasman Sea is maintaining northeasterly winds across the coastal waters. Very little change in weather pattern is forecast through the week due to the slow movement of the high. A cold front is then forecast to cross the state during the weekend into early next week, bringing a southerly change in its wake.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

October Temperature

Kiama (Bombo Headland) (3 km)

  • Lowest 9 October, 2026

    11.4 °C

  • Average October

    17.7 °C

  • Highest 12 October, 2026

    34.3 °C

Climate (2021–2026)

Kiama (Bombo Headland) (3 km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    17.9 °C

  • Average High 2021–2026

    21.5 °C
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