Carnac Island Weather Forecast

    • 10
    • 20

    Cloudy

    • 11
    • 19

    Shower or two

    • 9
    • 20

    Partly cloudy

    • 10
    • 20

    Sunny

    • 10
    • 21

    Sunny

    • 11
    • 19

    Showers

    • 10
    • 18

    Showers. Windy

Today 21 Jun Perth

Cloudy. Slight chance of a shower in the southwest, near zero chance elsewhere. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northeasterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A weakening cold front will move through early Monday, ahead of a new weak ridge extending over the local waters from later Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

June Temperature

Garden Island (13km)

  • Lowest 18 June, 2026

    6.5 °C

  • Average June

    14.5 °C

  • Highest 7 June, 2026

    21 °C

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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