Stack Island Weather Forecast

    • 15
    • 25

    Partly cloudy

    • 15
    • 21

    Showers. Wind easing

    • 11
    • 17

    Shower or two

    • 12
    • 18

    Showers

    • 14
    • 20

    Shower or two

    • 14
    • 24

    Possible shower

    • 17
    • 24

    Partly cloudy

Today 26 Oct Illawarra

Partly cloudy. Medium chance of showers, most likely in the afternoon. Winds northwesterly 25 to 35 km/h turning westerly 15 to 25 km/h in the late evening. Daytime maximum temperatures 21 to 26.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 20 knots turning northwesterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore north of Port Kembla during the afternoon.
1st Swell
Southerly 1 to 1.5 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A high pressure system lies over the Tasman Sea. Winds turn northwesterly ahead of a trough that approaches the coast today and crosses during Monday, bringing a gusty southerly change. The trough may stall in the northeast during Tuesday bringing unsettled weather, while int he south the next high pressure system settles over the coast.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

October Temperature

Kiama (Bombo Headland) (3km)

  • Lowest 14 October, 2025

    11.6 °C

  • Average October

    19.2 °C

  • Highest 22 October, 2025

    35.3 °C

Climate (2020–Present)

Kiama (Bombo Headland) (3km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    17.8 °C

  • Average High 2020–2025

    21.3 °C
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