Watsons Bay Weather Forecast
- 12
- 17
Possible shower
- 13
- 18
Partly cloudy
- 12
- 20
Mostly sunny
- 14
- 22
Sunny
- 14
- 25
Sunny
- 17
- 27
Shower or two
- 14
- 18
Showers. Becoming windy
Today 10 Sep Sydney
Cloudy. Slight chance of a shower. Winds southwesterly 15 to 25 km/h turning south to southeasterly 20 to 30 km/h in the late morning then becoming light in the evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Southwesterly 10 to 15 knots turning southerly 15 to 20 knots in the morning.
- Seas
- Below 0.5 metres.
- Weather
- Cloudy.
- Weather Situation
- A trough will move away from the New South Wales coast today, bringing fresh to strong southerly winds over Sydney waters in its wake. Winds will ease and shift south to southeasterly later in the week as another high pressure ridge extends over the region. A high pressure system will then move into the Tasman Sea over the weekend, directing northeasterly winds over Sydney Waters.
Watsons Bay Temperature Statistics View More
September Temperature
Sydney (Observatory Hill) (7km)
Lowest 9 September, 2026
9.8 °CAverage September
18.2 °CHighest 5 September, 2026
32.1 °C
Climate (2021–2026)
Sydney (Observatory Hill) (7km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
18.5 °CAverage High 2021–2026
23.6 °C