Rockingham Weather Forecast
- 12
- 19
Partly cloudy
- 11
- 18
Shower or two
- 9
- 17
Partly cloudy
- 13
- 19
Shower or two
- 15
- 18
Showers
- 11
- 17
Shower or two
- 8
- 19
Partly cloudy
Today 22 Aug Perth
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the northeast. Light winds becoming southerly 15 to 25 km/h in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly 15 to 25 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southwesterly 1.5 to 2 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A broad trough near the west coast will move inland this afternoon. A weak cold front will cross the southwest corner of the state early on Sunday ahead of a ridge extending across the area on Sunday and Monday. Another cold front will move over the far southwest of the state on Tuesday.
Rockingham Temperature Statistics View More
August Temperature
Garden Island (5km)
Lowest 11 August, 2026
7.7 °CAverage August
14.8 °CHighest 16 August, 2026
23.7 °C
Climate (2021–2026)
Garden Island (5km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
23.3 °C