Jones Bay Marina Weather Forecast
- 17
- 27
Shower or two
- 19
- 30
Shower or two. Becoming windy
- 18
- 22
Shower or two
- 17
- 22
Cloudy
- 17
- 25
Partly cloudy
- 17
- 28
Sunny
- 18
- 31
Sunny
Today 13 Dec Sydney
Partly cloudy. Medium chance of showers, most likely in the evening. The chance of a thunderstorm in the afternoon and evening. Winds east to northeasterly 15 to 25 km/h becoming light in the late evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Northeasterly 15 to 20 knots becoming variable about 10 knots in the evening.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- Northeasterly winds are being generated by a coastal trough along the north coast and a ridge of high pressure extending to the south. A cold front is forecast to cross Sydney during early Monday morning as a southerly change behind which a new ridge of high pressure is forecast to settle bringing southeasterly winds through mid week.
Jones Bay Marina Temperature Statistics View More
December Temperature
Sydney (Observatory Hill) (0km)
Lowest 2 December, 2025
13.3 °CAverage December
22.3 °CHighest 5 December, 2025
37.8 °C
Climate (2020–Present)
Sydney (Observatory Hill) (0km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.3 °CAverage High 2020–2025
23.4 °C