Dee Why Head Weather Forecast
- 12
- 18
Partly cloudy
- 11
- 19
Partly cloudy
- 12
- 21
Partly cloudy
- 14
- 20
Showers
- 13
- 19
Partly cloudy
- 12
- 18
Mostly sunny
- 11
- 21
Partly cloudy
Today 18 Aug Sydney
Partly cloudy. Winds easterly 15 to 20 km/h becoming light in the late afternoon.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- East to northeasterly about 10 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southeasterly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system over Tasman Sea is directing onshore southeast to northeasterly wind. Winds will strengthen and become north to northeasterly along the southern coast on Wednesday as a low pressure trough approaches from the west.
Dee Why Head Temperature Statistics View More
August Temperature
Terrey Hills (11km)
Lowest 5 August, 2026
4.6 °CAverage August
12 °CHighest 3 August, 2026
20.5 °C
Climate (2021–2026)
Terrey Hills (11km)
Average Low 2021–2026
13.5 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
21.9 °C