Dee Why Weather Forecast
- 21
- 23
Showers
- 21
- 24
Showers
- 21
- 25
Possible shower
- 21
- 26
Partly cloudy
- 21
- 29
Mostly sunny
- 21
- 25
Shower or two
- 19
- 23
Shower or two
Today 8 Mar Sydney
Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the morning and afternoon, possibly severe with heavy rain which may lead to flash flooding in the morning and early afternoon. Winds south to southeasterly 20 to 30 km/h.
Dee Why Temperature Statistics View More
March Temperature
Terrey Hills (8km)
Lowest 1 March, 2026
19.4 °CAverage March
22.7 °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