Stack Island Weather Forecast

    • 10
    • 19

    Sunny

    • 10
    • 17

    Cloud clearing

    • 9
    • 15

    Sunny

    • 9
    • 16

    Possible shower

    • 10
    • 16

    Shower or two

    • 9
    • 20

    Sunny

    • 10
    • 18

    Partly cloudy

Today 28 Jul Illawarra

Sunny. Winds westerly 20 to 30 km/h turning northwesterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures between 13 and 19.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwesterly 15 to 20 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southerly below 1 metre.
Weather
Sunny.
Weather Situation
North to northwesterly through Tuesday with a high in the Tasman Sea ahead of an approaching cold front. The front is forecast to cross the coastal waters on Wednesday, with fresh to strong west to southwesterly winds over the southern and central coastal waters in its wake. Winds will then turn southerly and gradually ease as another high moves into southeastern Australia later in the week.
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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