Cowan Creek - Yeomans Bay Weather Forecast
- 15
- 26
Shower or two
- 17
- 30
Shower or two. Becoming windy
- 17
- 20
Shower or two
- 16
- 20
Cloudy
- 15
- 23
Partly cloudy
- 15
- 26
Sunny
- 16
- 30
Sunny
Today 13 Dec Sydney
Partly cloudy. Medium chance of showers, most likely in the evening. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding in the outer west. Winds east to northeasterly 15 to 25 km/h becoming light in the late evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Northeasterly 15 to 20 knots becoming variable about 10 knots in the evening.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- Northeasterly winds are being generated by a coastal trough along the north coast and a ridge of high pressure extending to the south. A cold front is forecast to cross Sydney during early Monday morning as a southerly change behind which a new ridge of high pressure is forecast to settle bringing southeasterly winds through mid week.
Cowan Creek - Yeomans Bay Temperature Statistics View More
December Temperature
Terrey Hills (8km)
Lowest 3 December, 2025
11.3 °CAverage December
21.1 °CHighest 6 December, 2025
39.9 °C
Climate (2020–Present)
Terrey Hills (8km)
Average Low 2020–2025
13.4 °CAverage 2020–2025
16.9 °CAverage High 2020–2025
21.8 °C