Cassie Rock Weather Forecast
- 17
- 22
Shower or two. Possible storm
- 16
- 23
Sunny
- 16
- 22
Partly cloudy
- 17
- 26
Possible shower
- 16
- 19
Shower or two
- 15
- 19
Partly cloudy
- 13
- 21
Sunny
Today 3 Oct Sydney
Partly cloudy. High chance of showers, becoming less likely at night. A thunderstorm likely, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northeasterly 20 to 30 km/h tending northerly 15 to 20 km/h in the evening then becoming light in the late evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Northeasterly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Winds turning northerly 15 to 25 knots in the late evening.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- Northeasterly around 1 metre, increasing to 1 to 1.5 metres later in the evening.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm, with possible squalls in the late afternoon and evening.
- Weather Situation
- A pre-frontal trough and cold front are moving along the southern coastal waters and will continue northward before the trough stalls over the north coast from Sunday through Wednesday. Meanwhile, another cold front is forecast to cross southeast NSW during late Tuesday, bringing a southerly change along the coast from late Tuesday into Wednesday morning.
Cassie Rock Temperature Statistics View More
October Temperature
Terrey Hills (10km)
Lowest 1 October, 2026
16 °CAverage October
21 °CHighest 1 October, 2026
28.8 °C
Climate (2021–2026)
Terrey Hills (10km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
22 °C