Dyer Island Weather Forecast

    • 13
    • 18

    Shower or two

    • 14
    • 19

    Showers easing

    • 13
    • 17

    Partly cloudy

    • 14
    • 18

    Showers. Becoming windy

    • 11
    • 17

    Shower or two

    • 12
    • 18

    Showers. Windy

    • 12
    • 17

    Showers. Windy

Today 15 Jul Lower West

Partly cloudy. The chance of morning fog in the north. High chance of showers in the south, slight chance elsewhere. The chance of frost inland in the early morning. Light winds becoming northerly 15 to 20 km/h in the morning then tending northwesterly in the middle of the day. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching between 15 and 18.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots becoming north to northwesterly 10 to 15 knots in the morning then turning westerly 15 to 20 knots during the morning and early afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre during the morning.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A ridge lies just to the north of Local Waters. A cold front moves through early Wednesday morning with another on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dyer Island Temperature Statistics View More

July Temperature

Rottnest Island (4km)

  • Lowest 8 July, 2025

    11.2 °C

  • Average July

    15.8 °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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