Third Rocks Weather Forecast

    • 12
    • 20

    Clear

    • 12
    • 21

    Mostly sunny

    • 15
    • 22

    Shower or two

    • 15
    • 19

    Shower or two

    • 13
    • 18

    Shower or two

    • 10
    • 19

    Partly cloudy

    • 10
    • 20

    Partly cloudy

Today 19 Oct Perth

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1.5 to 2 metres.
Weather
Mostly clear.
Weather Situation
A ridge lies over Local Waters during the week, with a series of cold fronts forecast to sweep through further south, resulting in southwesterly to northwesterly winds throughout the week, becoming fresh at times.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Third Rocks Temperature Statistics View More

October Temperature

Garden Island (8 km)

  • Lowest 2 October, 2026

    9.9 °C

  • Average October

    17.1 °C

  • Highest 14 October, 2026

    29.7 °C

Climate (2021–2026)

Garden Island (8 km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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