Stack Island Weather Forecast
- 8
- 18
Shower or two
- 13
- 17
Showers
- 11
- 16
Shower or two
- 11
- 17
Shower or two
- 12
- 17
Showers
- 12
- 18
Showers
- 13
- 19
Showers
Today 24 Jun Illawarra
Partly cloudy. Medium chance of showers along the coastal fringe, slight chance elsewhere. Winds south to southeasterly 15 to 20 km/h becoming light in the late afternoon.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southwesterly 15 to 20 knots, reaching up to 25 knots offshore in the late morning and afternoon. Winds tending southerly in the early afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres around midday.
- 1st Swell
- Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore north of Port Kembla.
- Weather
- Becoming cloudy. 80% chance of showers.
- Weather Situation
- A high pressure system over western New South Wales and a low over the Tasman Sea are maintaining southerly winds over the coastal waters. A trough is then forecast to brush the coast midweek, followed by another high pressure system drifting across Tasmania, directing onshore southeasterly airstream through the second half of the week.
Stack Island Temperature Statistics View More
June Temperature
Kiama (Bombo Headland) (3km)
Lowest 23 June, 2026
9.8 °CAverage June
15.6 °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