Salmon Bay Weather Forecast

    • 21
    • 25

    Mostly sunny

    • 21
    • 25

    Becoming windy. Mostly sunny

    • 19
    • 27

    Windy. Mostly sunny

    • 19
    • 27

    Windy. Sunny

    • 19
    • 26

    Becoming windy. Mostly sunny

    • 19
    • 28

    Wind easing. Sunny

    • 21
    • 29

    Mostly sunny

Today 20 Mar Lower West

Sunny. Winds northwest to northeasterly 15 to 25 km/h tending northwest to southwesterly 15 to 20 km/h in the middle of the day then tending southeast to southwesterly in the evening. Daytime maximum temperatures 33 to 39.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Mostly sunny.
Weather Situation
A west coast trough will move inland later Saturday, ahead of a weak cold front brushing past the south coast on Sunday. A new ridge will arrive on the southwest coast on Sunday, building east along the south coast on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Salmon Bay Temperature Statistics View More

March Temperature

Rottnest Island (1km)

  • Lowest 11 March, 2026

    15.1 °C

  • Average March

    22.2 °C

  • Highest 18 March, 2026

    36.3 °C

Climate (2021–Present)

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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