Stack Island Weather Forecast

    • 14
    • 22

    Mostly sunny

    • 14
    • 21

    Cloudy

    • 15
    • 25

    Shower or two

    • 13
    • 19

    Shower or two

    • 14
    • 19

    Cloudy

    • 12
    • 21

    Sunny

    • 15
    • 24

    Shower or two

Today 4 Oct Illawarra

Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. The chance of a thunderstorm along the coastal fringe in the morning. Winds northwest to southwesterly 15 to 20 km/h tending southeast to southwesterly in the early afternoon then becoming light in the evening. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching 20 to 25.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northwesterly 10 to 15 knots, reaching up to 25 knots offshore early in the morning. Winds shifting south to southeasterly in the middle of the day.
Seas
1 to 2 metres, decreasing to 1 metre during the morning.
1st Swell
Northeasterly 1.5 to 2.5 metres, decreasing to 1.5 metres during the afternoon.
Weather
Partly cloudy. The chance of a thunderstorm in the morning and afternoon.
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 1 October, 2026

    14.4 °C

  • Average October

    18.5 °C

  • Highest 1 October, 2026

    24.4 °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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