Thirroul Weather Forecast
- 10
- 21
Possible shower
- 9
- 18
Mostly sunny
- 9
- 18
Sunny
- 8
- 17
Partly cloudy
- 8
- 18
Sunny
- 9
- 19
Mostly sunny
- 11
- 21
Shower or two
Today 3 Aug Wollongong
Partly cloudy. Medium chance of showers, most likely this afternoon. Winds northwesterly 15 to 20 km/h increasing to 20 to 30 km/h in the middle of the day then becoming west to northwesterly and light in the late afternoon.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots offshore during the day. Winds turning west to northwesterly in the late afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres offshore.
- 1st Swell
- Southeasterly 1.5 metres, tending southerly around 1 metre during the morning.
- Weather
- Partly cloudy. The chance of a thunderstorm offshore late this afternoon and evening.
- Weather Situation
- A high pressure system over the Tasman Sea extends a ridge towards the north coast. Today a cold front will brush the far south, bringing a west to southwesterly change. Winds will gradually tend southerly from mid-week as a new ridge of high pressure develops.
Thirroul Temperature Statistics View More
August Temperature
Bellambi (6km)
Lowest 1 August, 2026
10 °CAverage August
13.5 °CHighest 1 August, 2026
16.3 °C
Climate (2021–2026)
Bellambi (6km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.1 °CAverage High 2021–2026
21.8 °C