Wallace Island Weather Forecast
- 13
- 17
Partly cloudy
- 13
- 18
Partly cloudy
- 13
- 19
Mostly sunny
- 13
- 20
Sunny
- 14
- 22
Sunny
- 16
- 22
Sunny
- 17
- 22
Sunny
Today 18 Sep Lower West
Partly cloudy. Patchy fog in the north early this morning. Slight chance of a shower in the morning and early afternoon. Light winds becoming southwesterly 15 to 25 km/h in the morning 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
- Southwesterly 10 to 15 knots.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A series of weak fronts brush the southern coast until Friday. A ridge of high pressure is developing to the north, slips south of the Local Waters on Saturday, and will dominate the weather pattern into next week.
Wallace Island Temperature Statistics View More
September Temperature
Rottnest Island (5km)
Lowest 8 September, 2025
8.2 °CAverage September
15 °CHighest 12 September, 2025
22.4 °C
Climate (2020–Present)
Rottnest Island (5km)
Average Low 2020–2025
16 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
22.8 °C