Rossmoyne Weather Forecast
- 11
- 20
Showers
- 10
- 19
Cloudy
- 10
- 20
Shower or two
- 7
- 21
Partly cloudy
- 8
- 23
Mostly sunny
- 10
- 23
Shower or two
- 11
- 20
Shower or two
Today 17 Aug Perth
Cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the southwest in the morning. Winds north to northwesterly 25 to 40 km/h turning west to southwesterly 15 to 20 km/h during the afternoon and evening.
Rossmoyne Temperature Statistics View More
August Temperature
Jandakot Airport (7km)
Lowest 11 August, 2026
0.5 °CAverage August
12.2 °CHighest 3 August, 2026
23.8 °C
Climate (2021–2026)
Jandakot Airport (7km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
18.6 °CAverage High 2021–2026
25.4 °C