Carss Park Weather Forecast
- 17
- 25
Clear
- 17
- 29
Becoming windy. Partly cloudy
- 15
- 17
Showers
- 14
- 18
Cloudy
- 14
- 19
Mostly sunny
- 13
- 23
Sunny
- 15
- 26
Sunny
Today 25 Sep Sydney
Partly cloudy. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the west. Winds northeasterly 15 to 25 km/h becoming light in the evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Northeasterly 15 to 20 knots tending northerly 10 to 15 knots in the evening then decreasing to below 10 knots in the late evening.
- Seas
- Below 0.5 metres.
- Weather
- Mostly clear. The chance of a thunderstorm early this evening.
- Weather Situation
- A high pressure system over the Tasman Sea directs a north to northeasterly flow through the Sydney Waters. A cold front and trough will enter the Tasman Sea during the weekend, bringing a southerly change that will pass through the Sydney Waters on Saturday night. A high pressure centre will then move across Tasmania early next week, with winds over the NSW coast tending southeasterly in response.
Carss Park Temperature Statistics View More
September Temperature
Sydney Airport (6km)
Lowest 18 September, 2026
9.1 °CAverage September
17.9 °CHighest 20 September, 2026
32.7 °C
Climate (2021–2026)
Sydney Airport (6km)
Average Low 2021–2026
15 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
23.5 °C