Stack Island Weather Forecast

    • 17
    • 23

    Rain increasing

    • 17
    • 21

    Rain. Storm

    • 14
    • 21

    Partly cloudy

    • 14
    • 21

    Partly cloudy

    • 15
    • 24

    Shower or two

    • 13
    • 18

    Showers

    • 13
    • 18

    Shower or two

Today 2 Oct Illawarra

Cloudy. Very high chance of rain, most likely from late this morning. The chance of a thunderstorm about higher ground late this afternoon and evening. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon. Daytime maximum temperatures in the low to mid 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northwesterly 10 to 15 knots, reaching up to 20 knots offshore north of Point Perpendicular during the morning. Winds becoming variable about 10 knots in the middle of the day then becoming north to northeasterly 10 to 15 knots in the late afternoon.
Seas
1 to 2 metres, decreasing to 1 metre during the morning.
1st Swell
Northeasterly 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Weather
Cloudy. 80% chance of rain.
Weather Situation
A high pressure system in the Tasman Sea extends a ridge over the coastal waters. A trough will cross the south coast late today. A low pressure system over Victoria will direct fresh north to northeasterly winds over coastal waters on Saturday, ahead of another trough moving over coastal waters on Sunday.
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

    18.6 °C

  • Highest

    –

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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