Swan River - Causeway Weather Forecast
- 21
- 39
Clear
- 26
- 40
Mostly sunny
- 21
- 25
Possible shower
- 13
- 25
Mostly sunny
- 15
- 28
Sunny
- 16
- 30
Sunny
- 15
- 31
Sunny
Today 24 Dec Perth
Sunny. Winds easterly 15 to 25 km/h.
Melville Waters
- Wind
- Easterly below 10 knots becoming southerly in the late afternoon then becoming east to southeasterly in the late evening.
- Weather
- Sunny.
- Weather Situation
- A ridge over local waters will move inland on Thursday. A trough deepening offshore moves close to the west coast during Thursday before moving inland on Thursday evening, ahead of a weak cold front brushing the south coast on Friday. A new ridge will develop along the southwest coast later on Friday and expand east along the south coast on the weekend.
Swan River - Causeway Temperature Statistics View More
December Temperature
Perth Metro (5km)
Lowest 21 December, 2025
13.8 °CAverage December
23.1 °CHighest 14 December, 2025
40.1 °C
Climate (2020–Present)
Perth Metro (5km)
Average Low 2020–2025
13.4 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
25.5 °C