Duck Rock Weather Forecast

    • 16
    • 21

    Showers. Possible storm

    • 15
    • 20

    Showers increasing

    • 14
    • 18

    Showers easing. Wind easing

    • 14
    • 17

    Showers

    • 12
    • 17

    Shower or two

    • 13
    • 17

    Possible shower

    • 12
    • 17

    Partly cloudy

Today 16 Jul Lower West

Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm, possibly severe with damaging winds and heavy rain which may lead to flash flooding in the afternoon and evening. Winds northerly 15 to 25 km/h increasing to 30 km/h before turning west to northwesterly 15 to 20 km/h during the afternoon and evening. Daytime maximum temperatures between 19 and 25.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northerly 20 to 25 knots, reaching up to 30 knots in the afternoon. Winds shifting southwesterly 10 to 15 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
1st Swell
West to southwesterly 1.5 to 2 metres.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm.
Weather Situation
A cold front moves over the Perth local waters Thursday afternoon, followed by a second cold front later Friday and into Saturday. A weak ridge will begin to develop north of the local waters over the central west cost on Sunday.
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 1 July, 2026

    9.9 °C

  • Average July

    15.4 °C

  • Highest 9 July, 2026

    20.7 °C

Climate (2021–2026)

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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