Gerringong Weather Forecast
- 10
- 20
Clear
- 13
- 21
Mostly sunny
- 14
- 23
Shower or two
- 14
- 22
Showers increasing
- 10
- 16
Shower or two. Windy
- 11
- 18
Possible shower
- 10
- 22
Sunny
Today 12 Sep Illawarra
Clear. Winds east to northeasterly 15 to 20 km/h becoming light in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northeasterly 15 to 20 knots turning northerly in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore south of Point Perpendicular by early evening.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1.5 metres later in the evening.
- Weather
- Clear.
- Weather Situation
- A high pressure system will drift across the Tasman Sea this weekend, causing winds to turn northeasterly. Northerly winds are expected to increase on Monday before turning southerly in the far south. This southerly change will continue to move north along the coast on Tuesday and strengthen.
Gerringong Temperature Statistics View More
September Temperature
Kiama (Bombo Headland) (10km)
Lowest 9 September, 2026
9.5 °CAverage September
16.9 °CHighest 5 September, 2026
29.8 °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