Carnac Island Weather Forecast

    • 17
    • 26

    Windy. Sunny

    • 14
    • 27

    Sunny

    • 14
    • 27

    Mostly sunny

    • 16
    • 27

    Partly cloudy

    • 16
    • 29

    Mostly sunny

    • 17
    • 30

    Sunny

    • 19
    • 30

    Sunny

Today 10 Mar Perth

Mostly sunny. Winds southerly 25 to 40 km/h turning southeasterly 15 to 25 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 20 to 30 knots tending southeasterly in the late evening.
Seas
1.5 to 2.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Sunny.
Weather Situation
A trough is moving over the southeast of the State ahead of a cold front moving along the south coast. A strong ridge will push in over southern WA behind the front and will persist until the end of the week. A weak west coast trough will begin to develop on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

March Temperature

Garden Island (13km)

  • Lowest 1 March, 2026

    14.3 °C

  • Average March

    22.7 °C

  • Highest 4 March, 2026

    32 °C

Climate (2021–Present)

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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