Sylvania Weather Forecast
- 20
- 33
Mostly clear
- 21
- 24
Partly cloudy
- 21
- 25
Partly cloudy
- 20
- 27
Sunny
- 21
- 26
Partly cloudy
- 21
- 27
Partly cloudy
- 22
- 29
Sunny
Today 25 Jan Sydney
Mostly clear. The chance of a thunderstorm in the west early this evening. Winds east to northeasterly 15 to 25 km/h tending north to northeasterly 15 to 20 km/h in the evening then becoming light in the late evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Northeasterly 10 to 15 knots shifting southerly 15 to 20 knots in the late evening.
- Seas
- Below 0.5 metres.
- Weather
- Clear.
- Weather Situation
- A broad high pressure ridge lies along across the coast before a cold front brushes the Sydney Waters late tonight. As the decaying front continues northward a ridge develops along the coast in its wake. During the midweek, another trough slips southeast of the New South Wales coast bringing a weak southeasterly wind change.
Sylvania Temperature Statistics View More
January Temperature
Sydney Airport (9km)
Lowest 2 January, 2026
17.2 °CAverage January
22.7 °CHighest 10 January, 2026
42.7 °C
Climate (2021–Present)
Sydney Airport (9km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
18.7 °CAverage High 2021–2026
23.4 °C