Marjorie Bay Weather Forecast

    • 17
    • 24

    Becoming windy. Sunny

    • 19
    • 27

    Wind easing. Sunny

    • 22
    • 37

    Sunny

    • 23
    • 30

    Sunny

    • 23
    • 29

    Sunny

    • 20
    • 26

    Becoming windy. Mostly sunny

    • 17
    • 23

    Wind easing. Partly cloudy

Today 18 Jan Lower West

Sunny. Winds southeasterly 15 to 20 km/h turning south to southwesterly 25 to 35 km/h in the middle of the day then becoming southerly 15 to 20 km/h in the late evening. Daytime maximum temperatures 26 to 32.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeast to southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon or evening.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marjorie Bay Temperature Statistics View More

January Temperature

Rottnest Island (3km)

  • Lowest 9 January, 2026

    16.5 °C

  • Average January

    22.1 °C

  • Highest 1 January, 2026

    31.2 °C

Climate (2021–Present)

Rottnest Island (3km)

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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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