Georges River - Sylvania Marina Weather Forecast
- 9
- 18
Sunny
- 9
- 16
Sunny
- 9
- 17
Mostly sunny
- 10
- 18
Partly cloudy
- 12
- 19
Partly cloudy
- 12
- 20
Mostly sunny
- 12
- 21
Sunny day. Possible shower
Today 17 Jun Sydney
Sunny. Patches of frost and the chance of fog in the west this morning. Light winds becoming west to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- West to northwesterly about 5 to 10 knots, shifting west to southwesterly 10 to 15 knots this evening.
- Seas
- Below 0.5 metres.
- Weather
- Sunny.
- Weather Situation
- A cold front and its associated trough are forecast to cross the Sydney Waters this evening, bringing a west to southwesterly wind change in its wake. Winds will ease and generally become light mid to late this week as a strong high pressure system slowly drifts across the state. A series of cold fronts will then cross the coastal waters early next week.
Georges River - Sylvania Marina Temperature Statistics View More
June Temperature
Sydney Airport (8km)
Lowest 16 June, 2025
6.6 °CAverage June
12.6 °CHighest 1 June, 2025
21.2 °C
Climate (2020–Present)
Sydney Airport (8km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C