Cassie Rock Weather Forecast
- 23
- 32
Shower or two. Possible storm
- 24
- 27
Possible shower
- 22
- 28
Partly cloudy
- 23
- 27
Possible shower
- 21
- 24
Showers
- 21
- 23
Shower or two
- 21
- 25
Shower or two
Today 22 Feb Sydney
Partly cloudy. The chance of fog early this morning. Medium chance of showers, most likely during this afternoon and evening. A thunderstorm likely during this afternoon and evening, possibly severe with heavy rain which may lead to flash flooding. Light winds becoming northeast to southeasterly 15 to 20 km/h in the late afternoon then becoming light in the evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the middle of the day. Winds reaching up to 20 knots offshore in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Mostly sunny. 50% chance of showers late this afternoon and evening. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- Winds are north to northwesterly as a high builds over the Tasman, ahead of a series of southerly changes moving along the southern half of the coast on Monday and Wednesday with the passage of troughs.
Cassie Rock Temperature Statistics View More
February Temperature
Terrey Hills (10km)
Lowest 3 February, 2026
14.5 °CAverage February
21.7 °CHighest 18 February, 2026
35.6 °C
Climate (2021–Present)
Terrey Hills (10km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
16.9 °CAverage High 2021–2026
21.8 °C