Rottnest Island Weather Forecast

    • 16
    • 23

    Windy. Clear

    • 16
    • 23

    Windy. Sunny

    • 17
    • 23

    Sunny

    • 17
    • 24

    Becoming windy. Mostly sunny

    • 17
    • 25

    Windy. Sunny

    • 19
    • 26

    Sunny

    • 20
    • 26

    Becoming windy. Sunny

Today 5 Dec Lower West

Clear. Winds southwesterly 20 to 30 km/h turning southerly 15 to 25 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 20 to 25 knots.
Seas
1.5 metres.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.
Weather Situation
A ridge over the Local Waters will weaken on Sunday night, as a weak cold front moves past the south coast on Monday. A new ridge will follow in the front's wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rottnest Island Temperature Statistics View More

December Temperature

Rottnest Island (3km)

  • Lowest 4 December, 2025

    16.7 °C

  • Average December

    21.1 °C

  • Highest 1 December, 2025

    36.2 °C

Climate (2020–Present)

Rottnest Island (3km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
Get WillyWeather+ to remove ads