Carnac Island Weather Forecast

    • 13
    • 19

    Shower or two

    • 14
    • 20

    Showers

    • 11
    • 19

    Possible morning shower

    • 9
    • 23

    Cloud clearing

    • 11
    • 25

    Sunny

    • 13
    • 27

    Sunny

    • 17
    • 24

    Shower or two

Today 9 Oct Perth

Cloudy. Medium chance of showers. Winds westerly 20 to 30 km/h becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Westerly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A weak ridge extends over the local waters today, ahead of a cold front skimming the southwest corner during Saturday. The ridge is then expected to strengthen over the local waters in the wake of the front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

October Temperature

Garden Island (13 km)

  • Lowest 2 October, 2026

    9.9 °C

  • Average October

    17 °C

  • Highest 2 October, 2026

    21.8 °C

Climate (2021–2026)

Garden Island (13 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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