Carnac Island Weather Forecast

    • 14
    • 21

    Possible shower

    • 12
    • 23

    Sunny

    • 12
    • 25

    Mostly sunny

    • 15
    • 21

    Showers

    • 14
    • 23

    Cloudy

    • 15
    • 23

    Partly cloudy

    • 14
    • 22

    Showers increasing

Today 24 Apr Perth

Cloudy. Medium chance of showers in the morning and early afternoon. Light winds becoming west to southwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly below 10 knots becoming south to southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A weak ridge extends through the area. A cold front will pass by to the south tonight, followed by a high pressure centre moving across southern WA during the weekend. The high will reach the Bight on Sunday night as a new trough deepens down the west coast.
Graph Plots Open in Graphs
  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

April Temperature

Garden Island (13km)

  • Lowest 22 April, 2026

    11.7 °C
  • Average April

    19 °C
  • Highest 3 April, 2026

    28.7 °C

Climate (2021–Present)

Garden Island (13km)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    15.1 °C
  • Average 2021–2026

    18.9 °C
  • Average High 2021–2026

    23.3 °C
Get WillyWeather+ to remove ads