Mary Cove Weather Forecast

    • 21
    • 27

    Partly cloudy

    • 20
    • 25

    Partly cloudy

    • 19
    • 24

    Becoming windy. Partly cloudy

    • 17
    • 27

    Windy. Sunny

    • 19
    • 25

    Becoming windy. Sunny

    • 18
    • 25

    Windy. Mostly sunny

    • 16
    • 24

    Becoming windy. Sunny

Today 15 Dec Lower West

Mostly sunny. The chance of a thunderstorm inland. The chance of smoke haze inland later this evening. Winds west to southwesterly 20 to 30 km/h becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to northwesterly about 10 knots becoming southwesterly in the late evening.
Seas
Below 0.5 metres.
1st Swell
Southwesterly around 1 metre.
Weather
Partly cloudy. The chance of fog later this evening with reduced visibility.
Weather Situation
A deep trough near the west coast is moving inland today. A weak cold front will brush past the southwest coast on Tuesday, followed by a new ridge building across the southwest coast from Wednesday. A new west coast trough will form on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mary Cove Temperature Statistics View More

December Temperature

Rottnest Island (1km)

  • Lowest 4 December, 2025

    16.7 °C

  • Average December

    21.3 °C

  • Highest 1 December, 2025

    36.2 °C

Climate (2020–Present)

Rottnest Island (1km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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