Stack Island Weather Forecast

    • 15
    • 25

    Possible afternoon shower

    • 17
    • 22

    Partly cloudy

    • 17
    • 24

    Possible shower

    • 19
    • 27

    Showers. Storm developing

    • 18
    • 21

    Showers

    • 15
    • 19

    Showers

    • 14
    • 19

    Showers

Today 11 Nov Illawarra

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. A thunderstorm likely in the afternoon and early evening, possibly severe with damaging winds and large hail in the north. Light winds becoming northeast to southeasterly 15 to 20 km/h in the late afternoon then tending southeast to southwesterly in the evening. Daytime maximum temperatures in the mid to high 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwest to northeasterly 10 to 15 knots tending northeast to southeasterly in the late afternoon then tending southerly in the late evening.
Seas
Below 1 metre.
1st Swell
Southeasterly around 1 metre, increasing to 1 to 1.5 metres south of Port Kembla.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon.
Weather Situation
A trough moves north along the coast overnight tonight and Thursday with a southerly change in its wake. Winds will turn east to northeasterly later in the week as a new ridge builds over the coastal waters. A series of cold fronts will enter the state on the weekend, bringing another southerly change.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

November Temperature

Kiama (Bombo Headland) (3 km)

  • Lowest 8 November, 2026

    10.9 °C

  • Average November

    17.7 °C

  • Highest 7 November, 2026

    26 °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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