Salmon Bay Weather Forecast

    • 13
    • 18

    Mostly clear

    • 14
    • 19

    Showers increasing

    • 15
    • 18

    Showers easing

    • 11
    • 17

    Partly cloudy

    • 11
    • 17

    Mostly sunny

    • 11
    • 18

    Sunny

    • 11
    • 20

    Sunny

Today 8 Jul Lower West

Mostly clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Mostly clear.
Weather Situation
A ridge is lying over the area and will move east ahead of a weak cold front moving to the south later Thursday and Friday. A new ridge develops along the south coast on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Salmon Bay Temperature Statistics View More

July Temperature

Rottnest Island (1km)

  • Lowest 1 July, 2026

    9.9 °C

  • Average July

    14.9 °C

  • Highest 5 July, 2026

    18.9 °C

Climate (2021–2026)

Rottnest Island (1km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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