Rocky Bay Weather Forecast

    • 13
    • 19

    Mostly sunny

    • 15
    • 19

    Partly cloudy

    • 15
    • 19

    Showers. Becoming windy

    • 15
    • 20

    Shower or two. Wind easing

    • 15
    • 20

    Partly cloudy

    • 14
    • 21

    Mostly sunny

    • 16
    • 22

    Sunny

Today 22 Oct Lower West

Mostly sunny. Winds easterly 15 to 20 km/h becoming light in the morning then becoming south to southwesterly 15 to 25 km/h in the middle of the day. Daytime maximum temperatures 20 to 25.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots becoming southwesterly 10 to 15 knots in the early afternoon then tending southerly in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A west coast trough develops today, moving inland on Thursday. A ridge extends over southern areas before a cold front reaches the local waters in the early hours of Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Bay Temperature Statistics View More

October Temperature

Rottnest Island (2km)

  • Lowest 21 October, 2025

    11.2 °C

  • Average October

    16.6 °C

  • Highest 17 October, 2025

    24.7 °C

Climate (2020–Present)

Rottnest Island (2km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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