Mosman Bay Marina Weather Forecast
- 17
- 28
Showers. Possible storm
- 19
- 25
Shower or two
- 17
- 25
Shower or two
- 17
- 25
Showers. Possible storm
- 17
- 26
Partly cloudy
- 15
- 24
Partly cloudy
- 14
- 26
Sunny
Today 31 Oct Sydney
Partly cloudy. High chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Light winds becoming northerly 20 to 30 km/h in the morning.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Northerly 10 to 15 knots.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Mosman Bay Marina Temperature Statistics View More
October Temperature
Sydney (Observatory Hill) (3 km)
Lowest 15 October, 2026
10.6 °CAverage October
19.1 °CHighest 12 October, 2026
34.8 °C
Climate (2021–2026)
Sydney (Observatory Hill) (3 km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
18.5 °CAverage High 2021–2026
23.6 °C