Cowan Creek - Fishermans Beach Weather Forecast
- 18
- 22
Showers. Possible storm
- 17
- 22
Showers. Possible afternoon storm
- 16
- 28
Shower or two. Possible storm
- 17
- 31
Mostly sunny
- 18
- 23
Shower or two
- 16
- 21
Cloudy
- 15
- 26
Partly cloudy
Today 11 Dec Sydney
Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with heavy rain which may lead to flash flooding. Winds south to southeasterly 25 to 35 km/h.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Southerly 15 to 20 knots tending southeasterly in the early afternoon.
- Seas
- Below 0.5 metres.
- Weather
- Cloudy. 90% chance of showers. The chance of a thunderstorm.
Cowan Creek - Fishermans Beach Temperature Statistics View More
December Temperature
Terrey Hills (11km)
Lowest 3 December, 2025
11.3 °CAverage December
21.5 °CHighest 6 December, 2025
39.9 °C
Climate (2020–Present)
Terrey Hills (11km)
Average Low 2020–2025
13.4 °CAverage 2020–2025
16.9 °CAverage High 2020–2025
21.8 °C