Gerringong Weather Forecast
- 16
- 23
Mostly sunny
- 14
- 21
Sunny
- 14
- 26
Possible shower
- 14
- 21
Sunny
- 12
- 20
Shower or two
- 13
- 18
Partly cloudy
- 12
- 18
Shower or two
Today 3 Sep Illawarra
Mostly sunny. Slight chance of a shower inland early this morning. Near zero chance of rain elsewhere. Winds northwesterly 15 to 25 km/h turning westerly 30 to 45 km/h in the morning then decreasing to 20 to 30 km/h in the evening. Daytime maximum temperatures between 18 and 24.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northwesterly 15 to 20 knots turning westerly during the morning and early afternoon. Winds reaching up to 25 knots offshore south of Port Kembla during the afternoon and evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres south of Port Kembla around midday.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- North to northwesterly winds ahead of a trough and associated cold front crosses the coastal waters during today, driving west to southwesterly winds in its wake. North to northwesterly winds are forecast to redevelop ahead of a series of fronts crossing the waters during the weekend.
Gerringong Temperature Statistics View More
September Temperature
Kiama (Bombo Headland) (10km)
Lowest 1 September, 2026
11.1 °CAverage September
18.9 °CHighest 1 September, 2026
22.6 °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