Stack Island Weather Forecast

    • 13
    • 21

    Partly cloudy

    • 14
    • 23

    Mostly sunny

    • 16
    • 25

    Showers. Possible late storm

    • 18
    • 22

    Shower or two

    • 16
    • 22

    Shower or two

    • 17
    • 24

    Showers

    • 17
    • 24

    Shower or two

Today 29 Oct Illawarra

Mostly sunny. Winds east to southeasterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures in the low to mid 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
South to southeasterly 10 to 15 knots, reaching up to 20 knots offshore south of Port Kembla in the late morning and afternoon. Winds decreasing to below 10 knots in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday, then decreasing below 1 metre by early evening.
1st Swell
Southerly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge building across the state will become the dominant feature over the coastal waters till the end of this week. A trough is forecast to cross the coastal waters during the weekend, bringing a southerly wind change in its wake.
Graph Plots Open in Graphs

  • 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

    18 °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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