Mary Cove Weather Forecast

    • 15
    • 19

    Showers

    • 14
    • 18

    Shower or two

    • 14
    • 19

    Partly cloudy

    • 15
    • 20

    Cloud clearing

    • 15
    • 22

    Sunny

    • 17
    • 22

    Mostly sunny

    • 17
    • 21

    Partly cloudy

Today 15 May Lower West

Partly cloudy. The chance of fog in the north early this morning. High chance of showers, becoming less likely this afternoon. Light winds becoming southwesterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon. Daytime maximum temperatures between 17 and 20.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots tending southerly in the morning then decreasing to about 10 knots in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 90% chance of showers.
Weather Situation
The last in a series of weak cold fronts will move through Saturday. A new ridge will strengthen over local waters early next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mary Cove Temperature Statistics View More

May Temperature

Rottnest Island (1km)

  • Lowest 2 May, 2026

    12.4 °C

  • Average May

    17.8 °C

  • Highest 12 May, 2026

    25.4 °C

Climate (2021–Present)

Rottnest Island (1km)

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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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