Little Armstrong Bay Weather Forecast

    • 13
    • 17

    Partly cloudy

    • 10
    • 18

    Mostly sunny

    • 13
    • 20

    Showers increasing

    • 15
    • 18

    Showers easing

    • 14
    • 17

    Partly cloudy

    • 14
    • 18

    Shower or two

    • 14
    • 18

    Showers. Becoming windy

Today 1 Aug Lower West

Mostly clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A ridge will briefly develop over local waters tonight, before moving east on Sunday. A trough will approach on Monday, before moving east on Tuesday, followed by a cold front along the southwest coast. A weak ridge will return on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Little Armstrong Bay Temperature Statistics View More

August Temperature

Rottnest Island (1km)

  • Lowest 1 August, 2026

    13.6 °C

  • Average August

    15.3 °C

  • Highest

    –

Climate (2021–2026)

Rottnest Island (1km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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