Marmion Weather Forecast
- 17
- 26
Mostly sunny
- 18
- 24
Mostly sunny
- 17
- 23
Partly cloudy
- 16
- 24
Partly cloudy
- 17
- 22
Partly cloudy
- 16
- 22
Partly cloudy
- 14
- 22
Partly cloudy
Today 3 Apr Perth
Mostly sunny. The chance of a thunderstorm during this afternoon and early evening. Winds easterly 20 to 30 km/h shifting south to southwesterly 15 to 20 km/h in the afternoon then becoming light in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southeasterly 10 to 15 knots tending southerly in the middle of the day then decreasing to about 10 knots in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly around 1 metre.
- Weather
- Mostly sunny. The chance of a thunderstorm along the coastal fringe this afternoon.
- Weather Situation
- A high pressure system lies over the Bight. A trough will deepen down the west coast today before moving inland later on Saturday. The northern end of a cold front may pass through the Perth coastal waters during Sunday, followed by a new high pressure ridge strengthening from the west.
Marmion Temperature Statistics View More
April Temperature
Swanbourne (12km)
Lowest 1 April, 2026
11.8 °CAverage April
17.3 °CHighest 1 April, 2026
22.8 °C
Climate (2021–Present)
Swanbourne (12km)
Average Low 2021–2026
14.5 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
24.3 °C