Lake Illawarra - Entrance Weather Forecast
- 14
- 22
Mostly sunny
- 12
- 22
Showers increasing
- 12
- 18
Shower or two
- 10
- 17
Shower or two. Becoming windy
- 10
- 18
Partly cloudy
- 10
- 21
Cloud clearing
- 10
- 23
Sunny
Today 6 Sep Wollongong
Mostly sunny. Winds west to southwesterly 20 to 30 km/h turning southerly in the middle of the day then tending southwesterly 15 to 20 km/h in the late evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- West to southwesterly 20 to 25 knots turning southerly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Southerly 1 to 2 metres, increasing to 2 to 3 metres around midday.
- Weather
- Mostly sunny.
- Weather Situation
- A cold front is crossing northeast NSW Sunday morning then will move offshore into the Tasman Sea through the day. Another weak ridge is forecast in the wake of the front Sunday, followed by a series of fronts slipping south of the state through Monday onwards.
Lake Illawarra - Entrance Temperature Statistics View More
September Temperature
Illawarra Regional Airport (8km)
Lowest 1 September, 2026
5.5 °CAverage September
17.8 °CHighest 2 September, 2026
28 °C
Climate (2021–2026)
Illawarra Regional Airport (8km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
17.3 °CAverage High 2021–2026
22.8 °C