Swan River - Preston Point Weather Forecast
- 11
- 21
Mostly sunny
- 14
- 20
Rain
- 12
- 19
Showers
- 9
- 17
Shower or two
- 8
- 18
Partly cloudy
- 7
- 19
Mostly sunny
- 9
- 17
Shower or two
Today 18 Aug Perth
Mostly sunny. Slight chance of a shower in the southwest, most likely in the early afternoon. Near zero chance of rain elsewhere. Winds north to northeasterly 15 to 20 km/h turning northwesterly 15 to 25 km/h in the middle of the day then tending northerly 15 to 20 km/h in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- North to northeasterly 10 to 15 knots turning northwesterly 15 to 20 knots in the late morning.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
- Weather
- Mostly sunny.
- Weather Situation
- A weak trough near the west coast will move east from Monday ahead of a cold front moving over the area on Tuesday. A southwesterly airstream will continue behind the front easing later Wednesday and Thursday as a ridge develops over the west coast.
Swan River - Preston Point Temperature Statistics View More
August Temperature
Swanbourne (7km)
Lowest 15 August, 2025
5.7 °CAverage August
14.2 °CHighest 13 August, 2025
25.4 °C
Climate (2020–Present)
Swanbourne (7km)
Average Low 2020–2025
14.6 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
24.3 °C