Rottnest Island Weather Forecast

    • 13
    • 20

    Rain

    • 13
    • 19

    Showers easing. Wind easing

    • 11
    • 18

    Possible shower

    • 13
    • 19

    Showers

    • 11
    • 17

    Shower or two

    • 9
    • 16

    Partly cloudy

    • 9
    • 17

    Partly cloudy

Today 11 Jun Lower West

Cloudy. Very high chance of rain. Light winds becoming westerly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 13 and 17.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northerly 10 to 15 knots shifting west to southwesterly in the early afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. Near 100% chance of rain.
Weather Situation
A weak ridge extends over over local waters ahead of a cold front approaching from the west. The cold front will move through later today, followed by a new ridge of high pressure developing in it's wake on Friday. Another cold front will move across the local waters on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rottnest Island Temperature Statistics View More

June Temperature

Swanbourne (21km)

  • Lowest 4 June, 2026

    8.4 °C

  • Average June

    14.9 °C

  • Highest 7 June, 2026

    21.5 °C

Climate (2021–Present)

Swanbourne (21km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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