Rottnest Island Weather Forecast

    • 17
    • 20

    Showers

    • 15
    • 19

    Showers

    • 14
    • 19

    Shower or two

    • 15
    • 20

    Possible shower

    • 15
    • 20

    Partly cloudy

    • 15
    • 22

    Sunny

    • 17
    • 22

    Sunny

Today 14 May Lower West

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the north in the early afternoon. Light winds becoming southwesterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to around 11 with daytime temperatures reaching between 17 and 21.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots becoming southwesterly 10 to 15 knots in the morning.
Seas
Around 1 metre.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Cloudy. 90% chance of showers.
Weather Situation
A ridge is weakening over the local waters. A series of weak cold fronts will move through today, Friday and Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rottnest Island Temperature Statistics View More

May Temperature

Rottnest Island (3km)

  • Lowest 2 May, 2026

    12.4 °C

  • Average May

    17.7 °C

  • Highest 12 May, 2026

    25.4 °C

Climate (2021–Present)

Rottnest Island (3km)

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  • Average Low 2021–2026

    16 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.7 °C
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