Carnac Island Weather Forecast

    • 17
    • 29

    Possible shower or storm

    • 17
    • 27

    Partly cloudy

    • 16
    • 25

    Partly cloudy

    • 17
    • 24

    Partly cloudy

    • 16
    • 22

    Shower or two

    • 15
    • 21

    Partly cloudy

    • 13
    • 22

    Mostly sunny

Today 19 Nov Perth

Partly cloudy. Medium chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds east to southeasterly 20 to 30 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly 10 to 15 knots turning southerly in the middle of the day then tending southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. The chance of a thunderstorm.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

November Temperature

Garden Island (13km)

  • Lowest 2 November, 2025

    11.7 °C

  • Average November

    19.4 °C

  • Highest 11 November, 2025

    32.7 °C

Climate (2020–Present)

Garden Island (13km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    23.3 °C
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