Thirroul Beach Weather Forecast
- 21
- 35
Sunny
- 21
- 35
Sunny
- 23
- 39
Sunny
- 19
- 22
Shower or two
- 17
- 23
Possible shower
- 19
- 27
Possible shower
- 19
- 23
Shower or two
Today 8 Jan Wollongong
Sunny. Winds north to northwesterly 15 to 20 km/h tending north to northeasterly 25 to 35 km/h in the morning.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northeasterly 15 to 25 knots, reaching up to 30 knots south of Point Perpendicular in the late evening.
- Seas
- 1.5 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southerly below 0.5 metres.
- Weather
- Sunny.
- Weather Situation
- Onshore north to northeasterly winds along the coast will continue to freshen through this week as a high over the Tasman Sea strengthens. A cold front and its associated trough will cross the coastal areas during the weekend, bringing a fresh to strong southerly wind change in their wake.
Thirroul Beach Temperature Statistics View More
January Temperature
Bellambi (5km)
Lowest 1 January, 2026
16.3 °CAverage January
20.9 °CHighest 6 January, 2026
25.8 °C
Climate (2021–Present)
Bellambi (5km)
Average Low 2021–2026
15 °CAverage 2021–2026
18 °CAverage High 2021–2026
21.8 °C