Dyer Island Weather Forecast

    • 19
    • 24

    Becoming windy. Partly cloudy

    • 17
    • 27

    Windy. Sunny

    • 18
    • 25

    Becoming windy. Sunny

    • 17
    • 27

    Windy. Sunny

    • 16
    • 25

    Becoming windy. Sunny

    • 17
    • 26

    Windy. Sunny

    • 18
    • 29

    Sunny

Today 17 Dec Lower West

Partly cloudy. Winds southwesterly 20 to 30 km/h. Daytime maximum temperatures in the mid to high 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots turning southerly 20 to 25 knots in the afternoon.
Seas
Around 1 metre, increasing to 1.5 metres by early evening.
1st Swell
West to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
Weather
Partly cloudy.
Weather Situation
A ridge extends across the southwest coast today. A new west coast trough will form on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dyer Island Temperature Statistics View More

December Temperature

Rottnest Island (4km)

  • Lowest 4 December, 2025

    16.7 °C

  • Average December

    21.6 °C

  • Highest 14 December, 2025

    37.1 °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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