Shoalhaven River - Numbaa Island Weather Forecast
- 15
- 31
Shower or two. Possible storm
- 13
- 22
Shower or two
- 12
- 28
Mostly sunny
- 14
- 33
Sunny
- 16
- 24
Shower or two
- 16
- 30
Shower or two
- 14
- 21
Shower or two
Today 17 Oct Illawarra
Partly cloudy. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm during this afternoon and evening, possibly severe with damaging winds and large hail. Winds northwesterly 20 to 30 km/h increasing to 25 to 40 km/h in the morning then shifting south to southeasterly 25 to 35 km/h in the early afternoon. Daytime maximum temperatures 27 to 32.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 25 knots shifting southeasterly in the late morning and early afternoon. Winds reaching up to 30 knots north of Port Kembla in the evening.
- Seas
- 1 to 2 metres, decreasing to 1 metre during the morning, then increasing to 1 to 2 metres during the afternoon.
- 1st Swell
- Northeasterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- North to northwesterly remain over NSW waters. Friday a gusty southerly change will move north along the coast as a trough reaching Sydney during the afternoon, and the northern border by Saturday morning. The trough stalls over the northern waters during while a high pressure system settles over the remainder of the coast, become the dominant feature by Sunday.
Shoalhaven River - Numbaa Island Temperature Statistics View More
October Temperature
Nowra (RAN Air Station) (16km)
Lowest 14 October, 2025
6.4 °CAverage October
18 °CHighest 5 October, 2025
29.6 °C
Climate (2020–Present)
Nowra (RAN Air Station) (16km)
Average Low 2020–2025
12 °CAverage 2020–2025
16.5 °CAverage High 2020–2025
22.3 °C