Parramatta River - Birkenhead Point Marina Weather Forecast
- 19
- 24
Shower or two
- 19
- 26
Shower or two
- 19
- 26
Shower or two
- 17
- 25
Partly cloudy
- 17
- 26
Sunny
- 19
- 27
Possible shower
- 20
- 29
Partly cloudy
Today 18 Jan Sydney
Cloudy. Medium chance of showers. Winds south to southeasterly 15 to 25 km/h.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Southeasterly 15 to 20 knots.
- Seas
- Below 0.5 metres.
- Weather
- Cloudy.
- Weather Situation
- A trough is located off the northern half of the coast bringing fresh southeasterly winds to Sydney waters. This trough is set to weaken over the course of the evening as a ridge builds over the NSW coast. This ridge will persist through the middle of next week as winds gradually tend southerly for Sydney waters.
Parramatta River - Birkenhead Point Marina Temperature Statistics View More
January Temperature
Sydney (Observatory Hill) (3km)
Lowest 2 January, 2026
17.3 °CAverage January
23 °CHighest 10 January, 2026
42.2 °C
Climate (2021–Present)
Sydney (Observatory Hill) (3km)
Average Low 2021–2026
14.7 °CAverage 2021–2026
18.3 °CAverage High 2021–2026
23.5 °C