Salmon Bay Weather Forecast

    • 14
    • 17

    Shower or two

    • 11
    • 17

    Partly cloudy

    • 10
    • 17

    Sunny

    • 11
    • 18

    Sunny

    • 12
    • 20

    Possible shower

    • 14
    • 20

    Shower or two

    • 12
    • 18

    Shower or two

Today 21 Jul Lower West

Partly cloudy. The chance of morning fog inland. Medium chance of showers. Light winds. Overnight temperatures falling to between 4 and 8 with daytime temperatures reaching between 15 and 18.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable about 10 knots becoming south to southeasterly 10 to 15 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 2 metres.
Weather
Partly cloudy. 70% chance of showers.
Graph Plots Open in Graphs

  • 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

    15.7 °C

  • Highest 15 July, 2026

    21.8 °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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