Cowan Creek - Devils Hole Bay Weather Forecast
- 11
- 25
Sunny
- 15
- 26
Mostly sunny
- 15
- 23
Mostly sunny
- 11
- 20
Mostly sunny
- 11
- 26
Possible late shower
- 16
- 21
Shower or two
- 12
- 19
Partly cloudy
Today 15 Sep Sydney
Sunny. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day then becoming light in the evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- North to northwesterly about 10 knots.
- Seas
- Below 0.5 metres.
- Weather
- Sunny.
- Weather Situation
- Northwest to northeasterly winds will prevail over Sydney Waters as a high pressure system moves across the Tasman Sea. Winds may freshen on Tuesday before shifting west to southwesterly later Tuesday or Wednesday as a cold front crosses the region. After this, another ridge of high pressure is likely to briefly develop ahead of another cold front at the end of the week.
Cowan Creek - Devils Hole Bay Temperature Statistics View More
September Temperature
Terrey Hills (8km)
Lowest 1 September, 2025
7 °CAverage September
14.9 °CHighest 8 September, 2025
27.7 °C
Climate (2020–Present)
Terrey Hills (8km)
Average Low 2020–2025
13.4 °CAverage 2020–2025
16.9 °CAverage High 2020–2025
21.7 °C