Collaroy Beach Weather Forecast
- 18
- 29
Mostly sunny
- 19
- 22
Mostly sunny
- 19
- 38
Becoming windy. Partly cloudy
- 17
- 21
Partly cloudy
- 16
- 22
Mostly sunny
- 17
- 23
Partly cloudy
- 19
- 27
Shower or two
Today 20 Oct Sydney
Mostly sunny. Light winds becoming west to northwesterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- North to northeasterly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore.
- 1st Swell
- Northeasterly below 1 metre.
- Weather
- Mostly sunny.
- Weather Situation
- Strong northerly winds along the coast will shift southerly over the southern waters as a trough moves through later today. The southerly change will reaching central parts of the coast Tuesday morning, before weakening late Tuesday.
Collaroy Beach Temperature Statistics View More
October Temperature
Terrey Hills (8km)
Lowest 3 October, 2025
8.6 °CAverage October
19.5 °CHighest 17 October, 2025
31.5 °C
Climate (2020–Present)
Terrey Hills (8km)
Average Low 2020–2025
13.4 °CAverage 2020–2025
16.9 °CAverage High 2020–2025
21.7 °C