Rottnest Island Airport Weather Forecast

    • 13
    • 18

    Showers. Possible storm

    • 12
    • 17

    Shower or two

    • 13
    • 17

    Shower or two

    • 12
    • 19

    Shower or two

    • 13
    • 17

    Showers. Windy

    • 9
    • 15

    Showers. Windy

    • 10
    • 16

    Shower or two

Today 20 Aug Lower West

Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. The chance of a thunderstorm during the morning and afternoon. Winds northwesterly 15 to 25 km/h turning west to southwesterly 25 to 35 km/h in the late morning and afternoon. Daytime maximum temperatures between 16 and 20.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rottnest Island Airport Temperature Statistics View More

August Temperature

Rottnest Island (3km)

  • Lowest 4 August, 2025

    9.2 °C

  • Average August

    15.9 °C

  • Highest 13 August, 2025

    22.4 °C

Climate (2020–Present)

Rottnest Island (3km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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