Rottnest Island Weather Forecast
- 17
- 22
Sunny
- 15
- 21
Possible shower
- 15
- 21
Showers easing
- 15
- 20
Shower or two
- 15
- 21
Partly cloudy
- 16
- 21
Shower or two
- 13
- 21
Sunny
Today 29 Oct Lower West
Sunny. Winds westerly 15 to 25 km/h tending southwesterly in the early afternoon then becoming light in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Westerly below 10 knots tending southwesterly 10 to 15 knots in the early afternoon then decreasing to below 10 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly around 1 metre.
- Weather
- Sunny.
- Weather Situation
- A weak ridge over the local waters moves east as a cold front crosses the west coast on Saturday. A ridge develops from Sunday as a second front approaches the southwest corner on Monday.
Rottnest Island Temperature Statistics View More
October Temperature
Rottnest Island (3 km)
Lowest 24 October, 2026
9.1 °CAverage October
16.7 °CHighest 14 October, 2026
27.4 °C
Climate (2021–2026)
Rottnest Island (3 km)
Average Low 2021–2026
16.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C