Cassie Rock Weather Forecast
- 19
- 23
Shower or two
- 18
- 22
Mostly sunny
- 18
- 24
Possible shower
- 20
- 21
Possible shower
- 19
- 25
Partly cloudy
- 21
- 30
Mostly sunny
- 22
- 30
Mostly sunny
Today 20 Jan Sydney
Partly cloudy. Medium chance of showers in the morning and afternoon. Light winds becoming southeasterly 15 to 20 km/h in the middle of the day then becoming light in the late evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southeasterly 10 to 15 knots.
- Seas
- Around 1 metre.
- 1st Swell
- Southeasterly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
Cassie Rock Temperature Statistics View More
January Temperature
Terrey Hills (10km)
Lowest 12 January, 2026
15.5 °CAverage January
21.5 °CHighest 10 January, 2026
40.5 °C
Climate (2021–Present)
Terrey Hills (10km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
16.9 °CAverage High 2021–2026
21.8 °C