Coalcliff Weather Forecast
- 13
- 21
Shower or two
- 12
- 18
Possible early shower
- 11
- 18
Cloudy
- 11
- 17
Partly cloudy
- 12
- 20
Mostly sunny
- 12
- 22
Mostly sunny
- 13
- 24
Mostly sunny
Today 7 Sep Wollongong
Becoming cloudy. High chance of showers, most likely during this afternoon and evening. Light winds becoming south to southeasterly 15 to 25 km/h in the middle of the day then becoming southerly 25 to 35 km/h in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Variable about 10 knots becoming southerly 15 to 25 knots in the late afternoon. Winds reaching up to 30 knots in the evening. Squalls possible with the wind change.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening, then increasing to 1.5 to 2.5 metres later in the evening.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore north of Point Perpendicular this evening.
- Weather Situation
- A broad high pressure ridge continues to build from the west while a trough lingers over the far northeast of the state. A weak cold front is forecast to cross the far southeast of the state this morning, bringing a gusty southerly change up the NSW coast, followed by another cold front and southerly change mid-week.
Coalcliff Temperature Statistics View More
September Temperature
Bellambi (14km)
Lowest 1 September, 2026
12.6 °CAverage September
19.3 °CHighest 5 September, 2026
30.7 °C
Climate (2021–2026)
Bellambi (14km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18 °CAverage High 2021–2026
21.8 °C