Stack Island Weather Forecast

    • 21
    • 29

    Showers. Possible storm

    • 23
    • 26

    Shower or two

    • 19
    • 27

    Mostly sunny

    • 21
    • 26

    Showers increasing

    • 19
    • 22

    Showers

    • 18
    • 22

    Shower or two

    • 19
    • 23

    Showers

Today 22 Feb Illawarra

Cloudy. High chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds north to northwesterly 15 to 20 km/h tending west to northwesterly in the middle of the day then becoming light in the late evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 10 to 15 knots, reaching up to 20 knots south of Port Kembla in the early afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore around midday.
1st Swell
Southerly around 1 metre.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Weather Situation
North to northwesterly winds as a high builds over the Tasman, ahead of a series of southerly changes moving along the southern half of the coast on Monday and Wednesday with the passage of troughs.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

February Temperature

Kiama (Bombo Headland) (3km)

  • Lowest 2 February, 2026

    15.1 °C

  • Average February

    21.7 °C

  • Highest 18 February, 2026

    33.5 °C

Climate (2021–Present)

Kiama (Bombo Headland) (3km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    17.8 °C

  • Average High 2021–2026

    21.4 °C
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