Cowan Creek - Fishermans Beach Weather Forecast
- 9
- 17
Clear
- 8
- 23
Sunny
- 12
- 28
Sunny
- 14
- 28
Sunny
- 17
- 28
Possible shower
- 13
- 17
Shower or two
- 13
- 20
Possible shower
Today 17 Sep Sydney
Clear. Winds east to southeasterly 15 to 20 km/h becoming light in the late afternoon.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Southeasterly 10 to 15 knots becoming variable below 10 knots in the late afternoon.
- Seas
- Below 0.5 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system over the state is extending a strong ridge lies over Sydney Local Waters. Light winds are forecast as the high moves over the Tasman Sea late Sunday. A southerly change is forecast to cross Sydney on Monday bringing fresh and gusty winds.
Cowan Creek - Fishermans Beach Temperature Statistics View More
September Temperature
Terrey Hills (11km)
Lowest 10 September, 2026
8.1 °CAverage September
16.1 °CHighest 5 September, 2026
30.8 °C
Climate (2021–2026)
Terrey Hills (11km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
22 °C