Cassie Rock Weather Forecast
- 15
- 23
Clear
- 15
- 23
Mostly sunny
- 14
- 23
Mostly sunny
- 15
- 23
Partly cloudy
- 14
- 23
Possible shower
- 17
- 23
Shower or two
- 16
- 23
Possible shower
Today 25 Apr Sydney
Clear. Winds northeasterly 15 to 20 km/h becoming light in the evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Northeasterly about 10 knots increasing to 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Easterly around 1 metre.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure system over the southern Tasman Sea is near stationary, maintaining southeast to northeasterly winds for much of the coming week. A weakening trough is near the far northern New South Wales coast bringing strengthening southeasterly winds before easing later in the weekend.
Cassie Rock Temperature Statistics View More
April Temperature
Terrey Hills (10km)
Lowest 19 April, 2026
9 °CAverage April
17.7 °CHighest 7 April, 2026
29.4 °C
Climate (2021–Present)
Terrey Hills (10km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
17 °CAverage High 2021–2026
21.9 °C