Gerringong Weather Forecast
- 14
- 22
Mostly sunny
- 14
- 21
Possible shower
- 15
- 25
Shower or two
- 13
- 19
Shower or two
- 14
- 19
Cloudy
- 12
- 21
Sunny
- 15
- 24
Shower or two
Today 4 Oct Illawarra
Mostly sunny. Slight chance of a shower in the south, near zero chance elsewhere. The chance of a thunderstorm along the coastal fringe in the morning and early afternoon. Winds west to southwesterly 15 to 20 km/h tending southeast to southwesterly in the late afternoon then becoming light in the evening. Daytime maximum temperatures 20 to 25.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- West to northwesterly 10 to 15 knots, reaching up to 20 knots offshore south of Point Perpendicular during the day. Winds shifting south to southeasterly in the early afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Northeasterly 1.5 to 2.5 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A low pressure system in the southern Tasman Sea extends a trough into Northern NSW, with a ridge building from the west. The trough will weaken as it moves continues over northeast NSW during Sunday. A low pressure trough is forecast to linger over the northeast of the state Monday through Wednesday. Meanwhile, another cold front is forecast to cross southeast NSW during late Tuesday, bringing a southerly change along the coast from late Tuesday into Wednesday morning.
Gerringong Temperature Statistics View More
October Temperature
Kiama (Bombo Headland) (10km)
Lowest 1 October, 2026
14.4 °CAverage October
18.5 °CHighest 1 October, 2026
24.4 °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