Quarantine Beach Weather Forecast
- 13
- 22
Clear
- 13
- 24
Sunny
- 17
- 26
Mostly sunny
- 17
- 22
Mostly sunny
- 13
- 19
Mostly sunny
- 14
- 25
Possible late shower
- 17
- 21
Shower or two
Today 14 Sep Sydney
Clear. Light winds.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- North to northeasterly 10 to 15 knots turning west to northwesterly below 10 knots in the evening.
- Seas
- Below 0.5 metres.
- Weather
- Clear.
- 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.
Quarantine Beach Temperature Statistics View More
September Temperature
Sydney (Observatory Hill) (9km)
Lowest 1 September, 2025
9.3 °CAverage September
16.3 °CHighest 8 September, 2025
29 °C
Climate (2020–Present)
Sydney (Observatory Hill) (9km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.2 °CAverage High 2020–2025
23.4 °C