Shoalhaven River - Numbaa Island Weather Forecast
- 18
- 27
Possible shower
- 19
- 26
Showers. Storm developing
- 18
- 25
Showers increasing
- 17
- 22
Rain
- 17
- 23
Showers
- 17
- 24
Showers
- 17
- 25
Shower or two
Today 14 Jan Illawarra
Cloudy. Medium chance of showers. The chance of a thunderstorm. Winds northeasterly 15 to 25 km/h.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northeasterly 15 to 20 knots.
- Seas
- 1.5 metres.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Cloudy. The chance of a thunderstorm.
- Weather Situation
- A weak ridge lies over the New South Wales coast, maintaining an onshore east to northeasterly airstream. Winds will increase fresh to strong on Thursday, before a trough enters the south coast and develops into a low pressure system on Friday, bringing fresh to strong southeasterly winds in its wake as it tracks north. Then, a high pressure system will move into the south Tasman Sea, maintaining fresh to strong southeasterly winds over coastal waters.
Shoalhaven River - Numbaa Island Temperature Statistics View More
January Temperature
Nowra (RAN Air Station) (16km)
Lowest 2 January, 2026
11.3 °CAverage January
21.8 °CHighest 8 January, 2026
37.6 °C
Climate (2021–Present)
Nowra (RAN Air Station) (16km)
Average Low 2021–2026
12 °CAverage 2021–2026
16.5 °CAverage High 2021–2026
22.4 °C