Manly Beach Weather Forecast
- 19
- 21
Possible shower
- 18
- 21
Cloudy
- 19
- 23
Partly cloudy
- 19
- 28
Sunny
- 21
- 31
Mostly sunny
- 22
- 30
Shower or two
- 21
- 31
Shower or two
Today 15 Dec Sydney
Cloudy. Medium chance of showers, most likely this evening. Winds southerly 15 to 25 km/h tending southeasterly 20 to 30 km/h in the morning.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Southerly 15 to 20 knots tending southeasterly 10 to 15 knots in the morning.
- Seas
- Below 0.5 metres.
- Weather
- Cloudy.
- Weather Situation
- A ridge will extend over the Sydney waters today. The ridge will be maintained by a high in the Great Australian Bight that will move east across southeast Australia on Tuesday and into the Tasman Sea on Wednesday, lingering for a day or two.
Manly Beach Temperature Statistics View More
December Temperature
Sydney (Observatory Hill) (10km)
Lowest 2 December, 2025
13.3 °CAverage December
22.1 °CHighest 5 December, 2025
37.8 °C
Climate (2020–Present)
Sydney (Observatory Hill) (10km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.3 °CAverage High 2020–2025
23.4 °C