Stack Island Weather Forecast
- 12
- 17
Mostly sunny
- 10
- 17
Mostly sunny
- 9
- 18
Late shower or two
- 13
- 17
Showers
- 11
- 17
Shower or two
- 12
- 17
Shower or two
- 12
- 17
Showers
Today 22 Jun Illawarra
Partly cloudy. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Winds south to southwesterly 15 to 20 km/h becoming light in the late afternoon. Daytime maximum temperatures between 13 and 18.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore south of Port Kembla.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Port Kembla.
- Weather
- Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the late morning and afternoon.
- Weather Situation
- Southerly winds over the southern waters will spread north today as a low pressure system moves away to the east and a ridge of high pressure develops. Southerly winds will persist throughout the week as the centre of the high gradually drifts eastwards.
Stack Island Temperature Statistics View More
June Temperature
Kiama (Bombo Headland) (3km)
Lowest 6 June, 2026
10.1 °CAverage June
15.8 °CHighest 17 June, 2026
21.9 °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