Gerringong Weather Forecast
- 14
- 21
Mostly clear
- 14
- 30
Becoming windy. Partly cloudy
- 14
- 21
Sunny
- 12
- 20
Shower or two
- 12
- 18
Mostly sunny
- 12
- 18
Shower or two
- 11
- 17
Partly cloudy
Today 4 Sep Illawarra
Clear. Winds west to northwesterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northeasterly 10 to 15 knots turning northwesterly in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
- Weather
- Clear.
- Weather Situation
- North to northwesterly winds over Coastal Waters ahead of a vigorous cold front crossing the waters late Saturday into Sunday. Winds turning westerly in behind the front before tending southwesterly to southerly as a high pressure ridge begins to form over the NSW coast. The ridge will persist into the new week.
Gerringong Temperature Statistics View More
September Temperature
Kiama (Bombo Headland) (10km)
Lowest 1 September, 2026
11.1 °CAverage September
19.4 °CHighest 2 September, 2026
27.3 °C
Climate (2021–2026)
Kiama (Bombo Headland) (10km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.9 °CAverage High 2021–2026
21.5 °C