Stack Island Weather Forecast

    • 13
    • 23

    Mostly clear

    • 15
    • 25

    Shower or two

    • 16
    • 22

    Showers. Becoming windy

    • 11
    • 17

    Possible shower

    • 12
    • 19

    Shower or two

    • 13
    • 23

    Partly cloudy

    • 14
    • 25

    Partly cloudy

Today 25 Oct Illawarra

Mostly sunny. Winds west to northwesterly 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
Northerly 15 to 20 knots, reaching up to 25 knots inshore in the late afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge spreads across New South Wales. This ridge will persist today and winds will turn northeasterly then northwesterly ahead of the next cold front which will cross the state Sunday. Into Monday, in the wake of the front, winds will become fresh and tend south to southeasterly.
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

    19.3 °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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