Rottnest Island Weather Forecast

    • 18
    • 26

    Windy. Sunny

    • 19
    • 25

    Sunny

    • 21
    • 28

    Sunny

    • 22
    • 30

    Sunny

    • 21
    • 26

    Mostly sunny

    • 20
    • 25

    Cloud clearing

    • 20
    • 26

    Sunny

Today 15 Mar Lower West

Sunny. Winds southeasterly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly 15 to 20 knots tending south to southeasterly 10 to 15 knots in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Sunny.
Weather Situation
A slow moving ridge will persist south of the State for the next few days with a high forming in the Bight by Monday evening. A west coast trough is developing and will deepen on Monday before pushing offshore on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rottnest Island Temperature Statistics View More

March Temperature

Rottnest Island (3km)

  • Lowest 11 March, 2026

    15.1 °C

  • Average March

    21.5 °C

  • Highest 4 March, 2026

    29.1 °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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