Costens Point Weather Forecast
- 12
- 19
Mostly sunny
- 10
- 18
Sunny
- 13
- 17
Shower or two
- 13
- 17
Showers easing
- 13
- 17
Showers
- 12
- 17
Showers
- 11
- 18
Shower or two
Today 13 Aug Sydney
Mostly sunny. Winds westerly 15 to 20 km/h tending southwesterly in the early morning then becoming light in the middle of the day.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southwesterly 15 to 20 knots turning southerly 10 to 15 knots in the early afternoon.
- Seas
- 1 to 2 metres, decreasing below 1 metre by early evening.
- 1st Swell
- Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
- Weather
- Mostly sunny.
- Weather Situation
- Fresh southwesterly winds today behind a trough that is moving into the Tasman Sea. Then, a high pressure system moving over South Australia is expected to drift towards Tasmania later in the week, directing onshore south to southeasterly winds over the coastal waters.
Costens Point Temperature Statistics View More
August Temperature
Sydney Airport (15km)
Lowest 5 August, 2026
7.3 °CAverage August
13.6 °CHighest 3 August, 2026
22.7 °C
Climate (2021–2026)
Sydney Airport (15km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
23.5 °C