Rottnest Island Weather Forecast
- 14
- 18
Possible shower
- 13
- 19
Cloudy
- 15
- 21
Rain. Very windy
- 14
- 19
Showers. Very windy
- 12
- 17
Showers. Wind easing
- 13
- 18
Shower or two
- 13
- 18
Shower or two
Today 4 Jul Lower West
Partly cloudy. The chance of fog early this morning. Winds south to southeasterly 15 to 20 km/h tending south to southwesterly in the early afternoon then becoming light in the evening. Daytime maximum temperatures between 16 and 19.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southeasterly 10 to 15 knots decreasing to below 10 knots in the late afternoon.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- 1st Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Partly cloudy.
- Weather Situation
- A new high pressure system drifts over the south of the state, followed by a sequence of cold fronts on Sunday and Monday.
Rottnest Island Temperature Statistics View More
July Temperature
Rottnest Island (3km)
Lowest 3 July, 2025
13.6 °CAverage July
17 °CHighest 1 July, 2025
21 °C
Climate (2020–Present)
Rottnest Island (3km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C