Thirroul Beach Weather Forecast
- 12
- 19
Mostly sunny
- 11
- 18
Mostly sunny
- 11
- 18
Sunny
- 11
- 18
Possible shower
- 12
- 17
Shower or two
- 13
- 17
Shower or two
- 12
- 17
Shower or two
Today 21 Jun Wollongong
Partly cloudy. Slight chance of a shower. Winds westerly 15 to 20 km/h tending southeast to southwesterly in the middle of the day then becoming light in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Westerly 10 to 15 knots tending southwesterly in the middle of the day. Winds reaching up to 20 knots offshore south of Port Kembla during the morning and again in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Mostly sunny. 50% chance of showers. The chance of a thunderstorm offshore south of Point Perpendicular.
- Weather Situation
- A low pressure system is forecast to form over the southern waters today in response to a passing cold front, and then move away to the east. Southerly winds are likely to persist for the remainder of the week as a ridge of high pressure extends across from the west.
Thirroul Beach Temperature Statistics View More
June Temperature
Bellambi (5km)
Lowest 6 June, 2026
9.8 °CAverage June
16.4 °CHighest 13 June, 2026
22.4 °C
Climate (2021–2026)
Bellambi (5km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.1 °CAverage High 2021–2026
21.9 °C