Stack Island Weather Forecast

    • 11
    • 17

    Windy. Mostly sunny

    • 9
    • 15

    Sunny

    • 9
    • 16

    Possible shower

    • 10
    • 16

    Shower or two

    • 10
    • 20

    Sunny

    • 10
    • 19

    Partly cloudy

    • 10
    • 16

    Mostly sunny

Today 29 Jul Illawarra

Cloud clearing. Winds northwesterly 15 to 25 km/h turning westerly 30 to 45 km/h during the morning then decreasing to 20 to 30 km/h in the evening. Overnight temperatures falling to between 5 and 10 with daytime temperatures reaching between 11 and 17.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwesterly 15 to 25 knots turning west to southwesterly 20 to 25 knots during the day. Winds reaching up to 30 knots during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
1st Swell
Southerly below 1 metre, increasing to 1 to 2 metres south of Port Kembla later in the evening.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Stack Island Temperature Statistics View More

July Temperature

Kiama (Bombo Headland) (3km)

  • Lowest 11 July, 2026

    8.6 °C

  • Average July

    14.1 °C

  • Highest 2 July, 2026

    22.2 °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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