Salmon Bay Weather Forecast

    • 11
    • 17

    Possible shower

    • 13
    • 19

    Showers. Very windy

    • 10
    • 16

    Showers easing. Very windy

    • 11
    • 17

    Showers

    • 13
    • 18

    Showers. Windy

    • 11
    • 16

    Showers easing. Wind easing

    • 11
    • 16

    Possible shower

Today 19 Jul Lower West

The chance of morning fog inland. Mostly sunny day. Patches of frost inland in the early morning. Slight chance of a shower in the late afternoon and evening. Light winds. Overnight temperatures falling to between 2 and 6 with daytime temperatures reaching between 15 and 18.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northeast to southeasterly 10 to 15 knots tending northeasterly in the morning then turning north to northwesterly in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 4 metres, decreasing to 2 to 3 metres during the morning.
Weather
Mostly sunny.
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 8 July, 2025

    11.2 °C

  • Average July

    15.7 °C

  • Highest 6 July, 2025

    21.7 °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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