Marmion Weather Forecast
- 14
- 23
Becoming windy. Partly cloudy
- 16
- 27
Becoming windy. Sunny
- 16
- 30
Becoming windy. Sunny
- 16
- 31
Sunny
- 19
- 33
Sunny
- 21
- 31
Sunny
- 20
- 30
Sunny
Today 27 Dec Perth
Mostly sunny. Winds south to southeasterly 15 to 25 km/h tending south to southwesterly 25 to 35 km/h in the late morning then becoming southerly 15 to 20 km/h in the late evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1.5 to 2 metres during the afternoon.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A ridge is developing along the south coast during the weekend in the wake of a trough that has moved inland.
Marmion Temperature Statistics View More
December Temperature
Swanbourne (12km)
Lowest 21 December, 2025
13.9 °CAverage December
23 °CHighest 25 December, 2025
41.6 °C
Climate (2020–Present)
Swanbourne (12km)
Average Low 2020–2025
14.5 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
24.3 °C