Stack Island Weather Forecast
- 13
- 21
Sunny
- 15
- 20
Rain
- 15
- 17
Showers
- 13
- 17
Partly cloudy
- 10
- 18
Mostly sunny
- 11
- 19
Mostly sunny
- 11
- 19
Partly cloudy
Today 24 Aug Illawarra
Mostly sunny. The chance of fog inland in the early morning. Winds north to northwesterly 15 to 20 km/h becoming light before dawn then becoming northwest to northeasterly 15 to 25 km/h in the middle of the day. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching the low to mid 20s.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system in the Tasman Sea is moving east across the state today with winds tending north to northeasterly. Winds are forecast to freshen early in the week as the next front approaches the coastal waters, crossing by mid next week.
Stack Island Temperature Statistics View More
August Temperature
Kiama (Bombo Headland) (3km)
Lowest 8 August, 2026
8.9 °CAverage August
14.4 °CHighest 22 August, 2026
22 °C
Climate (2021–2026)
Kiama (Bombo Headland) (3km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.9 °CAverage High 2021–2026
21.5 °C