Duck Rock Weather Forecast

    • 13
    • 17

    Possible shower

    • 13
    • 18

    Partly cloudy

    • 13
    • 19

    Mostly sunny

    • 13
    • 20

    Sunny

    • 14
    • 22

    Sunny

    • 16
    • 22

    Sunny

    • 17
    • 22

    Sunny

Today 18 Sep Lower West

Partly cloudy. Medium chance of a shower, becoming less likely in the early afternoon. Winds southwesterly 15 to 25 km/h becoming light in the evening then becoming west to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 16 and 19.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A series of weak fronts brush the southern coast until Friday. A ridge of high pressure is developing to the north, slips south of the Local Waters on Saturday, and will dominate the weather pattern into next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Duck Rock Temperature Statistics View More

September Temperature

Rottnest Island (4km)

  • Lowest 8 September, 2025

    8.2 °C

  • Average September

    15 °C

  • Highest 12 September, 2025

    22.4 °C

Climate (2020–Present)

Rottnest Island (4km)

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  • Average Low 2020–2025

    16 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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