Dee Why Beach Weather Forecast
- 12
- 17
Mostly sunny
- 11
- 17
Mostly sunny
- 10
- 18
Late shower or two
- 14
- 18
Showers
- 13
- 17
Shower or two
- 13
- 17
Showers
- 14
- 17
Showers
Today 22 Jun Sydney
Mostly sunny. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Light winds becoming southerly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Partly cloudy. 70% chance of showers. The chance of a thunderstorm offshore in the late morning and afternoon.
- Weather Situation
- Southerly winds over the southern waters will spread north today as a low pressure system moves away to the east and a ridge of high pressure develops. Southerly winds will persist throughout the week as the centre of the high gradually drifts eastwards.
Dee Why Beach Temperature Statistics View More
June Temperature
Terrey Hills (9km)
Lowest 6 June, 2026
6.7 °CAverage June
14.5 °CHighest 10 June, 2026
21.3 °C
Climate (2021–2026)
Terrey Hills (9km)
Average Low 2021–2026
13.5 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
22 °C