Balls Head Bay Weather Forecast
- 19
- 26
Shower or two
- 17
- 26
Sunny
- 17
- 27
Possible shower developing
- 19
- 25
Cloudy
- 19
- 29
Partly cloudy
- 21
- 34
Sunny
- 21
- 30
Mostly sunny
Today 20 Jan Sydney
Partly cloudy. Medium chance of showers during 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
- South to southeasterly 10 to 15 knots decreasing to about 10 knots in the late evening.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge lies over the NSW coast bringing east to southeasterly winds to Sydney waters. This ridge will persist above Sydney waters until the weekend.
Balls Head Bay Temperature Statistics View More
January Temperature
Sydney (Observatory Hill) (2km)
Lowest 2 January, 2026
17.3 °CAverage January
22.7 °CHighest 10 January, 2026
42.2 °C
Climate (2021–Present)
Sydney (Observatory Hill) (2km)
Average Low 2021–2026
14.7 °CAverage 2021–2026
18.3 °CAverage High 2021–2026
23.5 °C