Cabbage Tree Island Weather Forecast
- 12
- 22
Early shower or two
- 9
- 21
Sunny
- 9
- 19
Partly cloudy
- 9
- 23
Mostly sunny
- 11
- 19
Showers
- 11
- 19
Shower or two
- 8
- 19
Partly cloudy
Today 21 Aug Illawarra
Mostly sunny. High chance of showers in the north, medium chance elsewhere. Winds northwesterly 15 to 20 km/h turning westerly 20 to 30 km/h in the morning. Overnight temperatures falling to between 9 and 13 with daytime temperatures reaching between 17 and 22.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northwesterly 10 to 15 knots, reaching up to 20 knots offshore south of Point Perpendicular during the morning. Winds turning north to northeasterly below 10 knots in the late morning and early afternoon then tending northwest to southwesterly 10 to 15 knots in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- Northeasterly around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre around midday.
- Weather
- Mostly sunny. 60% chance of showers. The chance of a thunderstorm offshore south of Port Kembla in the morning.
Cabbage Tree Island Temperature Statistics View More
August Temperature
Point Perpendicular (9km)
Lowest 8 August, 2026
7.7 °CAverage August
13.7 °CHighest 3 August, 2026
21.1 °C
Climate (2021–2026)
Point Perpendicular (9km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
17.5 °CAverage High 2021–2026
20.8 °C