Dark Bay Weather Forecast
- 20
- 34
Mostly sunny
- 23
- 36
Partly cloudy
- 21
- 25
Shower or two
- 19
- 25
Cloudy
- 20
- 30
Mostly sunny
- 20
- 24
Cloudy
- 19
- 23
Shower or two
Today 5 Dec Sydney
Mostly sunny. Winds west to northwesterly 15 to 25 km/h turning north to northeasterly 20 to 30 km/h in the late morning and afternoon.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Northeasterly around 1 metre.
- Weather
- Sunny.
- Weather Situation
- A high pressure system lies over the Tasman Sea, extending a ridge over the state. Northerly winds strengthening by the weekend, with a brief weak southerly change expected along the south coast today. Then, a cold front will cross the state during the weekend, bringing a fresh to strong southerly wind change over coastal waters in its wake.
Dark Bay Temperature Statistics View More
December Temperature
Sydney Airport (14km)
Lowest 2 December, 2025
13.4 °CAverage December
20.3 °CHighest 3 December, 2025
26.8 °C
Climate (2020–Present)
Sydney Airport (14km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C