Gerringong Weather Forecast
- 12
- 23
Sunny
- 16
- 28
Sunny
- 19
- 32
Mostly sunny
- 20
- 34
Partly cloudy
- 17
- 23
Shower or two
- 15
- 25
Partly cloudy
- 17
- 28
Sunny
Today 3 Dec Illawarra
Sunny. The chance of fog inland in the early morning. Light winds becoming northwest to southwesterly 15 to 25 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 4 and 11 with daytime temperatures reaching the mid to high 20s.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southerly 15 to 20 knots becoming variable about 10 knots in the early morning then becoming north to northeasterly 15 to 20 knots in the middle of the day.
- Seas
- 1 to 2 metres, decreasing below 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing to around 1 metre during the afternoon.
- Weather
- Mostly sunny.
Gerringong Temperature Statistics View More
December Temperature
Kiama (Bombo Headland) (10km)
Lowest 2 December, 2025
11.9 °CAverage December
16.5 °CHighest 1 December, 2025
23.4 °C
Climate (2020–Present)
Kiama (Bombo Headland) (10km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
17.8 °CAverage High 2020–2025
21.3 °C