Stack Island Weather Forecast

    • 12
    • 18

    Windy. Partly cloudy

    • 13
    • 19

    Windy. Sunny

    • 11
    • 19

    Partly cloudy

    • 11
    • 18

    Mostly sunny

    • 10
    • 18

    Mostly sunny

    • 12
    • 16

    Shower or two

    • 11
    • 16

    Showers

Today 10 Aug Illawarra

Cloudy. Slight chance of a shower. Damaging winds possible. Winds northwesterly 25 to 35 km/h turning westerly in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwesterly 20 to 30 knots, reaching up to 35 knots offshore north of Port Kembla in the late afternoon.
Seas
2 to 3 metres.
1st Swell
Northeasterly 1.5 metres, increasing to 1.5 to 2 metres by early evening.
Weather
Partly cloudy. The chance of a thunderstorm offshore in the late afternoon and evening.
Weather Situation
Strong, gusty westerly winds are gradually easing as a cold front that crossed the coastal waters today continue to move further offshore. Winds will remain fresh westerly through to midweek as another cold front and its associated trough cross the state on Wednesday. Winds will then turn south to southwesterly later in the week after passage of the second cold front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

August Temperature

Kiama (Bombo Headland) (3km)

  • Lowest 8 August, 2026

    8.9 °C
  • Average August

    13.5 °C
  • Highest 3 August, 2026

    21.6 °C

Climate (2021–2026)

Kiama (Bombo Headland) (3km)

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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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