Carnac Island Weather Forecast

    • 8
    • 19

    Clear

    • 8
    • 20

    Mostly sunny

    • 13
    • 20

    Showers easing

    • 10
    • 18

    Partly cloudy

    • 8
    • 18

    Partly cloudy

    • 9
    • 20

    Sunny

    • 10
    • 21

    Possible shower

Today 24 Jul Perth

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to northeasterly about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly around 1 metre.
Weather
Clear.
Weather Situation
A high pressure system near the Eucla coast extends a ridge over southern WA. The high will slowly move east on Saturday ahead of a cold front which will cross the southwest of the state on Sunday. A new ridge will develop over southern WA from Monday.
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  • Temperature Forecast Bureau of Meteorology

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Carnac Island Temperature Statistics View More

July Temperature

Garden Island (13km)

  • Lowest 8 July, 2026

    7 °C

  • Average July

    14.6 °C

  • Highest 15 July, 2026

    22.8 °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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