Middle Harbour - Roseville Bridge Marina Weather Forecast
- 18
- 23
Mostly sunny
- 18
- 38
Becoming windy. Partly cloudy
- 17
- 23
Partly cloudy
- 15
- 25
Sunny
- 16
- 25
Possible shower
- 19
- 29
Shower or two
- 15
- 22
Shower or two
Today 21 Oct Sydney
Mostly sunny. Slight chance of rain, most likely in the evening. The chance of a thunderstorm in the outer west in the afternoon and evening. Winds north to northwesterly 20 to 30 km/h tending south to southeasterly before dawn then tending east to northeasterly 15 to 25 km/h in the early afternoon.
Middle Harbour - Roseville Bridge Marina Temperature Statistics View More
October Temperature
Sydney (Observatory Hill) (9km)
Lowest 3 October, 2025
12.1 °CAverage October
20.8 °CHighest 17 October, 2025
32.8 °C
Climate (2020–Present)
Sydney (Observatory Hill) (9km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.3 °CAverage High 2020–2025
23.4 °C