Duck Rock Weather Forecast

    • 18
    • 22

    Partly cloudy

    • 17
    • 22

    Partly cloudy

    • 17
    • 25

    Sunny

    • 18
    • 25

    Mostly sunny

    • 19
    • 23

    Partly cloudy

    • 18
    • 22

    Partly cloudy

    • 16
    • 23

    Mostly sunny

Today 31 Mar Lower West

Cloudy. Slight chance of a shower in the morning and early afternoon. Winds southwesterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures between 18 and 22.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots becoming southerly below 10 knots in the evening.
Seas
Around 1 metre, decreasing below 0.5 metres during the afternoon.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A ridge will extend over southern WA from today, before sinking to the south coast on Thursday as a trough develops over the inland South West Land Division, extending over the local waters on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Duck Rock Temperature Statistics View More

March Temperature

Rottnest Island (4km)

  • Lowest 11 March, 2026

    15.1 °C

  • Average March

    21.7 °C

  • Highest 18 March, 2026

    36.3 °C

Climate (2021–Present)

Rottnest Island (4km)

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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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