Carnac Island Weather Forecast

    • 18
    • 25

    Partly cloudy

    • 16
    • 25

    Sunny

    • 17
    • 23

    Possible shower

    • 16
    • 22

    Showers easing

    • 13
    • 21

    Partly cloudy

    • 13
    • 23

    Showers increasing

    • 15
    • 21

    Shower or two

Today 15 Apr Perth

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm this afternoon. Light winds becoming south to southwesterly 15 to 25 km/h in the middle of the day then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Southwesterly 1 to 2 metres.
Weather
Partly cloudy. The chance of a thunderstorm during the morning and afternoon.
Weather Situation
A west coast trough lies slow moving nearby, while a ridge to the east weakens over the next days. The trough will move inland ahead of the next cold front on Friday night.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

April Temperature

Garden Island (13km)

  • Lowest 8 April, 2026

    13.1 °C

  • Average April

    19.4 °C

  • Highest 3 April, 2026

    28.7 °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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