Carnac Island Weather Forecast

    • 11
    • 22

    Sunny

    • 11
    • 21

    Sunny

    • 12
    • 20

    Partly cloudy

    • 14
    • 21

    Partly cloudy

    • 12
    • 23

    Mostly sunny

    • 14
    • 21

    Partly cloudy

    • 14
    • 21

    Showers

Today 2 Oct Perth

Sunny. Winds east to northeasterly 15 to 20 km/h shifting south to southwesterly 15 to 25 km/h in the early afternoon then becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming southerly 15 to 20 knots in the early afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Sunny.
Weather Situation
A ridge of high pressure will extend over Local Waters for the rest of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

October Temperature

Garden Island (13km)

  • Lowest 1 October, 2026

    11.5 °C

  • Average October

    14 °C

  • Highest

    –

Climate (2021–2026)

Garden Island (13km)

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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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