Duck Rock Weather Forecast
- 18
- 22
Partly cloudy
- 17
- 22
Partly cloudy
- 17
- 25
Sunny
- 18
- 24
Sunny
- 19
- 24
Partly cloudy
- 19
- 23
Partly cloudy
- 16
- 24
Mostly sunny
Today 31 Mar Lower West
Mostly clear. Light winds.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southwesterly below 10 knots.
- Seas
- Below 0.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge over southern WA will sink to the south coast on Thursday as a trough develops over the inland South West Land Division. The trough will extend over the local waters on Friday, then shift eastwards into Saturday.
Duck Rock Temperature Statistics View More
March Temperature
Rottnest Island (4km)
Lowest 11 March, 2026
15.1 °CAverage March
21.7 °CHighest 18 March, 2026
36.3 °C
Climate (2021–Present)
Rottnest Island (4km)
Average Low 2021–2026
16.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C