Carnac Island Weather Forecast

    • 9
    • 20

    Mostly sunny

    • 9
    • 21

    Shower or two

    • 11
    • 17

    Shower or two

    • 7
    • 19

    Sunny

    • 10
    • 19

    Shower or two

    • 11
    • 19

    Showers

    • 12
    • 19

    Showers

Today 30 Jul Perth

Mostly sunny. Winds east to northeasterly 15 to 20 km/h tending north to northeasterly in the morning then becoming light in the middle of the day.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northeasterly 10 to 15 knots tending northerly in the morning then becoming variable below 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

    14.6 °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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