Mary Cove Weather Forecast

    • 13
    • 19

    Clear

    • 14
    • 19

    Shower or two. Becoming windy

    • 13
    • 17

    Shower or two. Wind easing

    • 12
    • 17

    Partly cloudy

    • 13
    • 19

    Showers

    • 15
    • 19

    Showers

    • 11
    • 17

    Shower or two

Today 21 Aug Lower West

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 10 to 15 knots tending southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Clear.
Weather Situation
A weak ridge lies across southern WA. A trough is deepening down the west coast and will move inland on Saturday. A weak cold front will cross the southwest corner of the state early on Sunday ahead of another ridge which will extend across the southern half of the state on Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mary Cove Temperature Statistics View More

August Temperature

Rottnest Island (1km)

  • Lowest 9 August, 2026

    7.4 °C

  • Average August

    15.3 °C

  • Highest 16 August, 2026

    23.2 °C

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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