Stack Island Weather Forecast

    • 12
    • 18

    Showers

    • 12
    • 19

    Sunny

    • 11
    • 19

    Partly cloudy

    • 11
    • 18

    Sunny

    • 9
    • 18

    Sunny

    • 11
    • 17

    Shower or two

    • 12
    • 17

    Showers

Today 10 Aug Illawarra

Partly cloudy. Very high chance of showers, most likely in the early morning. Damaging winds possible inland. Winds northerly 20 to 30 km/h turning west to northwesterly 25 to 40 km/h during the day. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching between 11 and 17.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northeasterly 25 to 30 knots, reaching up to 35 knots offshore during the morning. Winds turning northwesterly 20 to 30 knots in the morning.
Seas
2 to 3 metres.
1st Swell
Northeasterly below 0.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm offshore south of Port Kembla early this morning.
Weather Situation
A cold front and trough will cross the coastal waters today driving fresh to strong and gusty northwesterly winds that will persist into midweek. A secondary surge of fresh to strong west to northwesterly winds is then expected during Wednesday.
Graph Plots Open in Graphs

  • 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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