Duck Rock Weather Forecast

    • 22
    • 35

    Possible storm

    • 21
    • 27

    Sunny

    • 19
    • 24

    Partly cloudy

    • 19
    • 24

    Becoming windy. Partly cloudy

    • 17
    • 26

    Wind easing. Sunny

    • 19
    • 26

    Mostly sunny

    • 18
    • 24

    Windy. Cloud clearing

Today 14 Dec Lower West

Partly cloudy. Medium chance of showers during this afternoon and early evening. A thunderstorm likely during the morning and afternoon, possibly severe with damaging winds. Winds easterly 25 to 40 km/h turning northeasterly 20 to 30 km/h during the day. Daytime maximum temperatures 35 to 40.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Easterly 15 to 20 knots tending southeasterly 10 to 15 knots in the middle of the day then turning east to northeasterly in the early afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm during the morning and afternoon.
Weather Situation
A west coast trough will move offshore today and a weak low pressure system will develop within the trough, as a high pressure system strengthens in the Bight. The high will move east on Monday, allowing the trough to return to the west coast. The trough will move inland ahead of a cold front brushing the south coast on Tuesday. A new ridge will build across the southwest coast from Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Duck Rock Temperature Statistics View More

December Temperature

Rottnest Island (4km)

  • Lowest 4 December, 2025

    16.7 °C

  • Average December

    20.8 °C

  • Highest 1 December, 2025

    36.2 °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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