Swan River - Rocky Bay Weather Forecast
- 11
- 19
Rain. Becoming windy
- 7
- 15
Showers
- 9
- 17
Showers
- 10
- 17
Showers
- 7
- 15
Shower or two
- 6
- 15
Partly cloudy
- 6
- 17
Sunny
Today 20 Jul Perth
Cloudy. Very high chance of rain, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and early evening, possibly severe. Winds north to northwesterly 30 to 50 km/h shifting south to southwesterly in the evening.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- North to northwesterly 15 to 25 knots, reaching up to 35 knots in the late afternoon. Winds shifting south to southwesterly 25 to 30 knots in the late afternoon.
- Seas
- 1 to 2 metres, increasing to 2 to 3 metres during the morning.
- 1st Swell
- West to southwesterly 2 to 3 metres.
- Weather
- Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the afternoon and early evening, possibly severe.
- Caution
- Large and powerful surf conditions are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Swan River - Rocky Bay Temperature Statistics View More
July Temperature
Swanbourne (7km)
Lowest 11 July, 2025
4.9 °CAverage July
13.9 °CHighest 6 July, 2025
21.5 °C
Climate (2020–Present)
Swanbourne (7km)
Average Low 2020–2025
14.6 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
24.3 °C