Stack Island Weather Forecast
- 13
- 21
Sunny
- 14
- 21
Partly cloudy
- 14
- 21
Mostly sunny
- 16
- 21
Possible shower
- 13
- 19
Mostly sunny
- 11
- 18
Possible shower
- 12
- 17
Shower or two
Today 16 Jun Illawarra
Sunny. Patchy morning fog inland. Light winds becoming north to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon. Daytime maximum temperatures between 18 and 22.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots south of Port Kembla in the late morning and afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres south of Port Kembla around midday.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system over the southwestern Tasman Sea is extending ridge across the coastal waters while drifting eastwards, bringing an east to northeasterly airstream. Winds will become northerly and freshen midweek as a cold front approaches from the west, before turning westerly over the weekend following its passage.
Stack Island Temperature Statistics View More
June Temperature
Kiama (Bombo Headland) (3km)
Lowest 6 June, 2026
10.1 °CAverage June
15.6 °CHighest 13 June, 2026
21.3 °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