Duck Rock Weather Forecast

    • 13
    • 18

    Mostly sunny

    • 14
    • 18

    Showers. Possible storm

    • 12
    • 16

    Showers. Very windy

    • 12
    • 17

    Showers. Wind easing

    • 10
    • 16

    Partly cloudy

    • 9
    • 17

    Cloud clearing

    • 11
    • 19

    Sunny

Today 4 Sep Lower West

Partly cloudy. The chance of morning fog in the south. Slight chance of a shower. Light winds. Overnight temperatures falling to between 7 and 10 with daytime temperatures reaching around 19.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly 10 to 15 knots becoming east to southeasterly below 10 knots during the morning then becoming west to northwesterly during the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
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 1 September, 2025

    11.9 °C

  • Average September

    15.3 °C

  • Highest 1 September, 2025

    19.7 °C

Climate (2020–Present)

Rottnest Island (4km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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