Salmon Bay Weather Forecast

    • 16
    • 22

    Mostly clear

    • 16
    • 23

    Becoming windy. Partly cloudy

    • 16
    • 23

    Windy. Sunny

    • 17
    • 23

    Sunny

    • 17
    • 24

    Windy. Sunny

    • 17
    • 25

    Windy. Mostly sunny

    • 19
    • 25

    Sunny

Today 4 Dec Lower West

Sunny. The chance of smoke haze in the west. Winds southwesterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots turning southerly in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.
Weather Situation
A ridge about the southwest coast will develop further after a weak front brushes past the south coast on Friday. The ridge will weaken on Sunday night, as a second weak cold front moves past the south coast on Monday. A new ridge will follow in the front's wake.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Salmon Bay Temperature Statistics View More

December Temperature

Rottnest Island (1km)

  • Lowest 3 December, 2025

    18.1 °C

  • Average December

    22 °C

  • Highest 1 December, 2025

    36.2 °C

Climate (2020–Present)

Rottnest Island (1km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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