Stack Island Weather Forecast

    • 9
    • 19

    Mostly sunny

    • 13
    • 18

    Sunny

    • 8
    • 16

    Sunny

    • 8
    • 18

    Sunny

    • 10
    • 17

    Mostly sunny

    • 10
    • 18

    Partly cloudy

    • 11
    • 17

    Mostly sunny

Today 22 Jul Illawarra

Mostly sunny. Patches of frost about higher ground in the early morning. The chance of fog in the north in the early morning. Light winds becoming westerly 15 to 25 km/h in the morning. Overnight temperatures falling to between 2 and 7 with daytime temperatures reaching between 15 and 20.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northwesterly 15 to 20 knots turning westerly in the late morning.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres later in the evening.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Kembla during the morning.
Weather
Mostly sunny.
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  • 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 °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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