Duck Rock Weather Forecast

    • 15
    • 19

    Wind easing. Cloudy

    • 14
    • 21

    Sunny

    • 17
    • 21

    Showers increasing

    • 16
    • 21

    Shower or two

    • 15
    • 22

    Sunny

    • 16
    • 23

    Partly cloudy

    • 17
    • 23

    Partly cloudy

Today 21 Apr Lower West

Partly cloudy. Medium chance of showers, most likely in the early morning. The chance of a thunderstorm near the coast in the early morning. Winds west to southwesterly 25 to 40 km/h tending south to southwesterly 15 to 25 km/h in the morning then becoming light in the evening. Overnight temperatures falling to between 10 and 13 with daytime temperatures reaching between 16 and 19.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly 25 to 30 knots, reaching up to 35 knots early in the morning. Winds turning south to southeasterly below 10 knots in the afternoon.
Seas
2.5 to 3 metres, decreasing below 2 metres during the morning, then decreasing below 1 metre around midday.
1st Swell
West to southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres during the afternoon.
Weather
Cloudy. The chance of a thunderstorm in the early morning.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Duck Rock Temperature Statistics View More

April Temperature

Rottnest Island (4km)

  • Lowest 10 April, 2026

    15 °C

  • Average April

    19.4 °C

  • Highest 3 April, 2026

    25.9 °C

Climate (2021–Present)

Rottnest Island (4km)

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  • Average Low 2021–2026

    16 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.7 °C
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