Carnac Island Weather Forecast

    • 8
    • 20

    Mostly sunny

    • 9
    • 20

    Sunny

    • 10
    • 21

    Shower or two

    • 10
    • 17

    Shower or two

    • 7
    • 20

    Sunny

    • 11
    • 23

    Shower or two

    • 13
    • 20

    Showers

Today 29 Jul Perth

Mostly sunny. Winds easterly 15 to 25 km/h tending northeasterly in the morning then becoming light in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to northeasterly 10 to 15 knots decreasing to about 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

July Temperature

Garden Island (13km)

  • Lowest 8 July, 2026

    7 °C

  • Average July

    14.7 °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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