Salmon Bay Weather Forecast
- 22
- 35
Possible storm
- 21
- 28
Sunny
- 19
- 25
Partly cloudy
- 18
- 25
Becoming windy. Partly cloudy
- 17
- 27
Wind easing. Sunny
- 19
- 26
Sunny
- 19
- 24
Windy. Sunny
Today 14 Dec Lower West
Partly cloudy. Medium chance of showers in the afternoon and early evening. A thunderstorm likely in the morning and afternoon, possibly severe with damaging winds. Winds easterly 25 to 40 km/h turning northeasterly 20 to 30 km/h during the day. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching 35 to 40.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Easterly 15 to 20 knots tending southeasterly 10 to 15 knots in the middle of the day then turning east to northeasterly in the early afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly below 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm in the morning and afternoon.
Salmon Bay Temperature Statistics View More
December Temperature
Rottnest Island (1km)
Lowest 4 December, 2025
16.7 °CAverage December
20.8 °CHighest 1 December, 2025
36.2 °C
Climate (2020–Present)
Rottnest Island (1km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
22.8 °C