Salmon Bay Weather Forecast
- 11
- 17
Possible shower
- 13
- 19
Showers. Very windy
- 10
- 16
Showers easing. Very windy
- 11
- 17
Showers
- 13
- 18
Showers. Windy
- 11
- 16
Showers easing. Wind easing
- 11
- 16
Possible shower
Today 19 Jul Lower West
The chance of morning fog inland. Mostly sunny day. Patches of frost inland in the early morning. Slight chance of a shower in the late afternoon and evening. Light winds. Overnight temperatures falling to between 2 and 6 with daytime temperatures reaching between 15 and 18.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Northeast to southeasterly 10 to 15 knots tending northeasterly in the morning then turning north to northwesterly in the middle of the day.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
- Weather
- Mostly sunny.
Salmon Bay Temperature Statistics View More
July Temperature
Rottnest Island (1km)
Lowest 8 July, 2025
11.2 °CAverage July
15.7 °CHighest 6 July, 2025
21.7 °C
Climate (2020–Present)
Rottnest Island (1km)
Average Low 2020–2025
16.1 °CAverage 2020–2025
19 °CAverage High 2020–2025
22.8 °C