Marjorie Bay Weather Forecast

    • 16
    • 25

    Windy. Mostly sunny

    • 17
    • 25

    Windy. Sunny

    • 20
    • 27

    Sunny

    • 22
    • 27

    Sunny

    • 21
    • 29

    Mostly sunny

    • 20
    • 29

    Sunny

    • 23
    • 30

    Mostly sunny

Today 27 Jan Lower West

Mostly sunny. Winds southerly 15 to 20 km/h tending southeasterly 15 to 25 km/h in the early morning then tending southeast to southwesterly 25 to 40 km/h in the middle of the day. Daytime maximum temperatures in the mid to high 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeast to southwesterly 15 to 25 knots, reaching up to 30 knots in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 1 to 2 metres around midday.
Weather
Mostly sunny.
Weather Situation
A ridge lies to the south of the state. A high pressure system will move into the Bight as a new trough develops near the west coast on Wednesday.
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 18 January, 2026

    15.9 °C

  • Average January

    22.2 °C

  • Highest 21 January, 2026

    36.2 °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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