Salmon Bay Weather Forecast
- 13
- 19
Mostly sunny
- 15
- 20
Showers increasing
- 13
- 17
Morning shower or two
- 10
- 18
Sunny
- 13
- 19
Shower or two
- 13
- 18
Showers
- 14
- 19
Showers
Today 30 Jul Lower West
Sunny. Winds northeasterly 15 to 20 km/h tending northerly in the middle of the day then becoming light in the early afternoon. Daytime maximum temperatures between 19 and 22.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Northeasterly 10 to 15 knots tending northerly in the morning then becoming variable below 10 knots in the middle of the day.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge lies to the south, weakening on Friday ahead of the next cold front moving over the area later Friday and early Saturday morning. A ridge will rapidly developing in the wake of the cold front over the weekend.
Salmon Bay Temperature Statistics View More
July Temperature
Rottnest Island (1km)
Lowest 1 July, 2026
9.9 °CAverage July
15.3 °CHighest 15 July, 2026
21.8 °C
Climate (2021–2026)
Rottnest Island (1km)
Average Low 2021–2026
16.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C