Stack Island Weather Forecast
- 10
- 19
Clear
- 10
- 19
Sunny
- 11
- 19
Shower or two
- 13
- 20
Possible shower
- 14
- 21
Showers increasing
- 14
- 21
Shower or two
- 14
- 20
Mostly sunny
Today 6 Jun Illawarra
Clear. Light winds.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southerly 10 to 15 knots.
- Seas
- Around 1 metre.
- 1st Swell
- Southerly 1.5 to 2 metres.
- Weather
- Mostly clear.
- Weather Situation
- A strong high pressure system drifting across the state during the weekend brings stable weather will bring moderate to fresh south to southwesterly winds to the coastal waters this evening and lighter winds on Sunday. As the high moves offshore, a ridge builds over the east early to mid next week, making the the winds shift east to northeasterly in the north and north to northeasterly in the south through next week.
Stack Island Temperature Statistics View More
June Temperature
Kiama (Bombo Headland) (3km)
Lowest 1 June, 2026
12 °CAverage June
14.9 °CHighest 3 June, 2026
20.4 °C
Climate (2021–Present)
Kiama (Bombo Headland) (3km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
17.9 °CAverage High 2021–2026
21.5 °C