Dee Why Head Weather Forecast
- 16
- 20
Shower or two
- 16
- 21
Possible shower
- 16
- 21
Partly cloudy
- 15
- 22
Partly cloudy
- 14
- 23
Mostly sunny
- 14
- 23
Mostly sunny
- 15
- 23
Possible shower
Today 21 Apr Sydney
Partly cloudy. Medium chance of showers. Winds southwesterly 15 to 20 km/h tending southerly 20 to 30 km/h in the morning then becoming light in the late evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southerly 15 to 20 knots.
- Seas
- 1.5 metres.
- 1st Swell
- Southerly 2.5 to 3 metres, tending southeasterly 2.5 to 3 metres during the morning.
- Weather
- Partly cloudy. 60% chance of showers.
- Weather Situation
- A high pressure over the Southern Tasman Sea is slowly drifting east towards New Zealand, while a deep low pressure over the eastern Tasman Sea is weakening, maintaining fresh southerly airstream over the coastal waters. Winds over the southern and central coastal waters will tend east to northeasterly mid to late this week as a ridge extending from the high becomes the dominant feature.
Dee Why Head Temperature Statistics View More
April Temperature
Terrey Hills (11km)
Lowest 19 April, 2026
9 °CAverage April
17.9 °CHighest 7 April, 2026
29.4 °C
Climate (2021–Present)
Terrey Hills (11km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
17 °CAverage High 2021–2026
21.9 °C