Cowan Creek - Challenger Head Weather Forecast
- 15
- 21
Mostly clear
- 13
- 21
Sunny
- 13
- 19
Possible shower
- 13
- 22
Sunny
- 15
- 21
Showers
- 15
- 19
Shower or two
- 13
- 18
Partly cloudy
Today 21 Aug Sydney
Mostly clear. Light winds.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Variable about 10 knots.
- Seas
- Below 0.5 metres.
- Weather
- Mostly clear.
- Weather Situation
- Winds are forecast to generally shift westerly from today as a series of cold fronts brush the south. Then, another high pressure system is forecast to move into the Tasman Sea later into the weekend, gradually backing the winds to the winds north to northeasterly by Sunday. The next front is forecast to cross the Sydney Waters during mid next week.
Cowan Creek - Challenger Head Temperature Statistics View More
August Temperature
Terrey Hills (11km)
Lowest 5 August, 2026
4.6 °CAverage August
12.3 °CHighest 3 August, 2026
20.5 °C
Climate (2021–2026)
Terrey Hills (11km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
21.9 °C