Cassie Rock Weather Forecast
- 17
- 28
Showers. Storm
- 12
- 17
Shower or two. Becoming windy
- 13
- 18
Possible early shower
- 13
- 22
Sunny
- 17
- 25
Shower or two
- 17
- 22
Shower or two
- 17
- 22
Partly cloudy
Today 7 Nov Sydney
Partly cloudy. Very high chance of showers, most likely in the afternoon and evening. Thunderstorms in the afternoon and early evening, possibly severe with damaging winds. Winds west to northwesterly 15 to 20 km/h shifting southerly 25 to 40 km/h in the early afternoon.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Variable about 10 knots becoming southerly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the evening. Squalls possible with the wind change.
- Seas
- Below 1 metre, increasing to 1.5 to 2 metres by early evening.
- 1st Swell
- Southerly below 1 metre, increasing to 1 to 1.5 metres by early evening.
- Weather
- Partly cloudy. 95% chance of showers in the afternoon and evening. A thunderstorm likely in the afternoon and evening with possible squalls.
- Weather Situation
- A ridge lies over NSW waters today, before a cold front crosses the coast on Saturday with thunderstorms and squally winds ahead of a southerly buster. The front deepens into a low pressure system in the Tasman Sea while a ridge builds over inland NSW, maintaining strong and gusty southerly winds and large, powerful seas into Sunday. Winds ease early next week.
Cassie Rock Temperature Statistics View More
November Temperature
Terrey Hills (10 km)
Lowest 6 November, 2026
12.5 °CAverage November
18.3 °CHighest 3 November, 2026
24.7 °C
Climate (2021–2026)
Terrey Hills (10 km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
22 °C