Cassie Rock Weather Forecast
- 20
- 29
Showers. Storm developing
- 18
- 20
Showers. Possible storm
- 17
- 18
Showers
- 16
- 20
Shower or two
- 16
- 22
Partly cloudy
- 18
- 23
Partly cloudy
- 19
- 24
Shower or two
Today 14 Nov Sydney
Partly cloudy. High chance of showers, most likely in the afternoon and early evening. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northwest to northeasterly 15 to 20 km/h becoming light in the evening then becoming south to southwesterly 15 to 20 km/h in the late evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- North to northeasterly 15 to 20 knots tending north to northwesterly in the evening. Winds turning southwesterly and reaching up to 25 knots inshore in the late evening. Squalls possible with the wind change.
- Seas
- Below 0.5 metres, increasing to around 1 metre during the afternoon.
- 1st Swell
- Northeasterly around 1 metre.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the afternoon and evening, with possible squalls inshore.
- Weather Situation
- A trough lies over the northern waters today bringing unstable weather. The trough is forecast to move over the Tasman Sea this evening ahead of a southerly change which may stall around central parts of the coast across Sunday and Monday.
Cassie Rock Temperature Statistics View More
November Temperature
Terrey Hills (10 km)
Lowest 8 November, 2026
8.2 °CAverage November
17.8 °CHighest 7 November, 2026
28.4 °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