Carnac Island Weather Forecast

    • 12
    • 20

    Showers

    • 14
    • 19

    Showers easing. Wind easing

    • 12
    • 19

    Showers

    • 10
    • 19

    Shower or two

    • 8
    • 21

    Partly cloudy

    • 9
    • 21

    Sunny

    • 9
    • 23

    Mostly sunny

Today 3 Sep Perth

Cloudy. Very high chance of showers. Winds northwesterly 15 to 20 km/h turning westerly 20 to 30 km/h during the afternoon and evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northwesterly about 10 knots tending west to northwesterly 15 to 25 knots in the middle of the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A weak ridge remains slow moving to the north. A moderate cold front will move across the local waters early Friday. A stronger cold front will cross the west coast during Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Carnac Island Temperature Statistics View More

September Temperature

Garden Island (13km)

  • Lowest 1 September, 2026

    10.2 °C

  • Average September

    14.9 °C

  • Highest 1 September, 2026

    17.4 °C

Climate (2021–2026)

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