Stack Island Weather Forecast
- 9
- 19
Sunny
- 11
- 19
Shower or two
- 12
- 20
Mostly sunny
- 13
- 21
Showers increasing
- 15
- 20
Shower or two
- 14
- 20
Partly cloudy
- 13
- 20
Possible shower
Today 7 Jun Illawarra
Sunny. Patches of morning frost about the Southern Highlands. The chance of morning fog inland. Light winds. Daytime maximum temperatures between 15 and 19.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Variable about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Mostly sunny.
- Weather Situation
- A strong high pressure system drifting across the state and brings stable weather and lighter winds during 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 6 June, 2026
10.1 °CAverage June
14.6 °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