Duck Rock Weather Forecast

    • 12
    • 20

    Shower or two. Windy

    • 15
    • 20

    Showers. Windy

    • 11
    • 16

    Shower or two

    • 13
    • 17

    Shower or two

    • 13
    • 18

    Shower or two

    • 14
    • 19

    Shower or two

    • 13
    • 18

    Shower or two

Today 11 Jul Lower West

Mostly sunny. Areas of frost inland in the early morning. Medium chance of showers in the south, slight chance elsewhere. Winds north to northeasterly 15 to 20 km/h tending north to northwesterly 15 to 25 km/h in the late morning and early afternoon. Daytime maximum temperatures between 17 and 20.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 20 to 25 knots. Winds may reach up to 30 knots at times.
Seas
1.5 to 2 metres.
1st Swell
West to southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A ridge over the southeast of the State is moving east. A cold front will cross the southwest corner on Friday night and move over the South West Land Division on Saturday. A new ridge will extend over southwest WA on Sunday, followed by a weak cold front brushing the south coast on Sunday night and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Duck Rock Temperature Statistics View More

July Temperature

Rottnest Island (4km)

  • Lowest 8 July, 2025

    11.2 °C

  • Average July

    15.9 °C

  • Highest 6 July, 2025

    21.7 °C

Climate (2020–Present)

Rottnest Island (4km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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