Dee Why Weather Forecast
- 21
- 24
Cloudy
- 21
- 23
Rain
- 21
- 24
Showers
- 21
- 25
Shower or two
- 20
- 24
Shower or two
- 20
- 25
Shower or two
- 20
- 25
Possible shower
Today 18 Mar Sydney
Cloudy. Medium chance of showers. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds southeasterly 15 to 20 km/h becoming light in the evening.
Dee Why Temperature Statistics View More
March Temperature
Terrey Hills (8km)
Lowest 14 March, 2026
14.4 °CAverage March
21.5 °CHighest 4 March, 2026
29.9 °C
Climate (2021–Present)
Terrey Hills (8km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
17 °CAverage High 2021–2026
21.9 °C