Stack Island Weather Forecast

    • 11
    • 18

    Showers increasing

    • 12
    • 18

    Showers easing

    • 13
    • 18

    Sunny

    • 11
    • 18

    Partly cloudy

    • 10
    • 18

    Sunny

    • 10
    • 18

    Sunny

    • 12
    • 18

    Shower or two

Today 9 Aug Illawarra

Cloudy. Patchy fog in the north in the early morning. Very high chance of showers, most likely in the late afternoon and evening. Light winds becoming northerly 15 to 25 km/h in the morning. Overnight temperatures falling to between 2 and 8 with daytime temperatures reaching between 13 and 18.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northerly 15 to 20 knots increasing to 20 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres during the afternoon.
1st Swell
Easterly below 1 metre.
Weather
Cloudy. 95% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

August Temperature

Kiama (Bombo Headland) (3km)

  • Lowest 8 August, 2026

    8.9 °C

  • Average August

    13.4 °C

  • Highest 3 August, 2026

    21.6 °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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