Cassie Rock Weather Forecast
- 18
- 22
Mostly clear
- 18
- 24
Partly cloudy
- 20
- 29
Showers. Possible storm
- 17
- 21
Shower or two
- 15
- 21
Shower or two
- 14
- 22
Mostly sunny
- 15
- 22
Partly cloudy
Today 23 Oct Sydney
Partly cloudy. Slight chance of a shower in the west, becoming less likely later this evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the outer west early this evening. Winds northeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Northeasterly 15 to 20 knots, reaching up to 25 knots offshore during the afternoon and evening.
- Seas
- 1.5 to 2 metres.
- 1st Swell
- Northeasterly below 1 metre inshore, increasing to around 1 metre offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A high in the Tasman Sea maintains a ridge over the coastal waters. The high will move slowly east on the weekend. A strong cold front and trough will cross the southern coastal waters late on Sunday and move north.
Cassie Rock Temperature Statistics View More
October Temperature
Terrey Hills (10 km)
Lowest 15 October, 2026
8.5 °CAverage October
17.4 °CHighest 12 October, 2026
34 °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