Parramatta River - Wallumatta Bay Weather Forecast
- 17
- 26
Shower or two
- 16
- 26
Mostly sunny
- 16
- 26
Possible shower developing
- 18
- 23
Cloudy
- 17
- 30
Possible storm
- 20
- 37
Mostly sunny
- 21
- 32
Mostly sunny
Today 20 Jan Sydney
Partly cloudy. Medium chance of showers in the morning and afternoon. Light winds becoming southeasterly 15 to 20 km/h in the middle of the day then becoming light in the late evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Southeasterly 10 to 15 knots.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy. 50% chance of showers.
Parramatta River - Wallumatta Bay Temperature Statistics View More
January Temperature
Sydney (Observatory Hill) (6km)
Lowest 2 January, 2026
17.3 °CAverage January
22.7 °CHighest 10 January, 2026
42.2 °C
Climate (2021–Present)
Sydney (Observatory Hill) (6km)
Average Low 2021–2026
14.7 °CAverage 2021–2026
18.3 °CAverage High 2021–2026
23.5 °C