Salmon Bay Weather Forecast

    • 13
    • 17

    Possible shower

    • 13
    • 18

    Shower or two

    • 13
    • 19

    Cloud clearing

    • 13
    • 21

    Sunny

    • 14
    • 22

    Sunny

    • 16
    • 22

    Sunny

    • 16
    • 22

    Sunny

Today 18 Sep Lower West

Partly cloudy. Medium chance of showers in the south, most likely later this evening. Near zero chance of rain elsewhere. Winds south to southwesterly 15 to 25 km/h tending west to southwesterly 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure is developing to the north, slips south of the Local Waters on Saturday, and will dominate the weather pattern into next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Salmon Bay Temperature Statistics View More

September Temperature

Rottnest Island (1km)

  • Lowest 8 September, 2025

    8.2 °C

  • Average September

    15 °C

  • Highest 12 September, 2025

    22.4 °C

Climate (2020–Present)

Rottnest Island (1km)

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  • Average Low 2020–2025

    16 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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