Back Forest Weather Forecast
- 19
- 26
Showers. Storm developing
- 18
- 25
Showers increasing
- 17
- 22
Rain
- 17
- 23
Showers
- 17
- 24
Showers
- 17
- 25
Shower or two
- 17
- 25
Shower or two
Today 15 Jan Illawarra
Cloudy. High chance of showers, most likely in the late afternoon and evening. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northeasterly 20 to 30 km/h. Overnight temperatures falling to between 15 and 19 with daytime temperatures reaching the low to mid 20s.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northeasterly 15 to 25 knots, reaching up to 30 knots in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Cloudy. 90% chance of showers. Thunderstorms during this afternoon and evening.
- 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 strong to gale force 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.
Back Forest Temperature Statistics View More
January Temperature
Nowra (RAN Air Station) (16km)
Lowest 2 January, 2026
11.3 °CAverage January
21.9 °CHighest 10 January, 2026
40.7 °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