Cape Saint George Weather Forecast
- 12
- 19
Morning shower or two
- 11
- 22
Partly cloudy
- 14
- 19
Sunny
- 9
- 19
Partly cloudy
- 13
- 20
Shower or two
- 10
- 16
Possible shower
- 10
- 18
Mostly sunny
Today 18 Sep Illawarra
Partly cloudy. Medium chance of showers along the coastal fringe, slight chance elsewhere. Winds west to southwesterly 15 to 20 km/h tending northeast to southeasterly in the morning then becoming light in the evening. Overnight temperatures falling to between 4 and 11 with daytime temperatures reaching between 18 and 21.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southeast to southwesterly 15 to 20 knots tending northeast to southeasterly 10 to 15 knots in the morning then tending north to northeasterly 15 to 20 knots in the middle of the day. Winds reaching up to 25 knots offshore north of Port Kembla in the late evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, increasing to 1 to 1.5 metres offshore by early evening.
- 1st Swell
- Southerly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning, then decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. 60% chance of showers.
Cape Saint George Temperature Statistics View More
September Temperature
Point Perpendicular (9km)
Lowest 1 September, 2025
9.2 °CAverage September
16.3 °CHighest 16 September, 2025
28 °C
Climate (2020–Present)
Point Perpendicular (9km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
20.7 °C