Lake Illawarra - Berageree Island Weather Forecast
- 18
- 34
Clear
- 21
- 33
Mostly sunny
- 20
- 31
Shower or two
- 20
- 33
Possible shower or storm
- 22
- 30
Shower or two
- 18
- 29
Shower or two
- 17
- 29
Possible shower
Today 18 Dec Wollongong
Clear. Winds northeasterly 20 to 30 km/h turning north to northwesterly 15 to 20 km/h in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northeasterly 20 to 25 knots turning northerly in the evening.
- Seas
- 1.5 metres, increasing to 1.5 to 2 metres north of Point Perpendicular.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Clear.
- Weather Situation
- A high in the Tasman Sea is directing northerly winds over Coastal Waters. Later today or Friday a weak trough will bring a brief southerly change to much of the coast before winds turn northerly again over the weekend. Following this, a cold front will bring a fresh to strong southerly change later on Sunday or Monday.
Lake Illawarra - Berageree Island Temperature Statistics View More
December Temperature
Illawarra Regional Airport (7km)
Lowest 1 December, 2025
7.4 °CAverage December
20.2 °CHighest 5 December, 2025
37.9 °C
Climate (2020–Present)
Illawarra Regional Airport (7km)
Average Low 2020–2025
12.4 °CAverage 2020–2025
17.1 °CAverage High 2020–2025
22.7 °C