Catherine Bay Weather Forecast

    • 12
    • 21

    Possible shower

    • 14
    • 22

    Becoming windy. Sunny

    • 15
    • 22

    Sunny

    • 15
    • 22

    Sunny

    • 16
    • 21

    Possible shower

    • 16
    • 21

    Shower or two

    • 15
    • 20

    Possible shower

Today 26 Oct Lower West

Cloudy. The chance of fog in the south in the early morning. High chance of showers in the north, medium chance elsewhere. The chance of a thunderstorm in the north in the afternoon. Winds northeast to southeasterly 15 to 20 km/h becoming light in the late afternoon then becoming south to southeasterly 15 to 25 km/h in the evening. Daytime maximum temperatures in the low 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots turning south to southeasterly 15 to 20 knots early in the morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A ridge of high pressure will remain over the southwest coast while a trough moves north up the west coast, bringing southerly winds, becoming fresh at times, to local waters. The trough will move inland on Wednesday, bringing easterly winds to local waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Catherine Bay Temperature Statistics View More

October Temperature

Rottnest Island (1 km)

  • Lowest 24 October, 2026

    9.1 °C

  • Average October

    16.6 °C

  • Highest 14 October, 2026

    27.4 °C

Climate (2021–2026)

Rottnest Island (1 km)

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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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