North Harbour Entrance Weather Forecast
- 15
- 25
Clear
- 17
- 22
Late shower or two
- 12
- 16
Windy. Partly cloudy
- 11
- 17
Partly cloudy
- 10
- 21
Sunny
- 13
- 26
Sunny
- 14
- 28
Sunny
Today 14 Sep Sydney
Clear. Winds northerly 15 to 20 km/h becoming light in the evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Northeasterly 10 to 15 knots tending northerly in the late afternoon then decreasing to below 10 knots in the late evening.
- Seas
- Below 0.5 metres.
- Weather
- Clear.
- Weather Situation
- A trough looks set to bring southerly winds to Sydney Waters on Tuesday, which will freshen or strengthen later Tuesday and Wednesday as a cold front moves into the Tasman Sea. After this, southerly winds will persist through to Thursday as new ridge of high pressure extends across from the west, and then ease on Friday as the high becomes more predominant.
North Harbour Entrance Temperature Statistics View More
September Temperature
Sydney (Observatory Hill) (8km)
Lowest 9 September, 2026
9.8 °CAverage September
17.3 °CHighest 5 September, 2026
32.1 °C
Climate (2021–2026)
Sydney (Observatory Hill) (8km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
18.5 °CAverage High 2021–2026
23.6 °C