Dyer Island Weather Forecast

    • 14
    • 18

    Showers. Wind easing

    • 13
    • 17

    Possible shower

    • 13
    • 18

    Possible morning shower

    • 12
    • 19

    Sunny

    • 14
    • 21

    Sunny

    • 15
    • 22

    Sunny

    • 16
    • 23

    Sunny

Today 17 Sep Lower West

Cloudy. Very high chance of showers, becoming less likely late this afternoon and evening. Winds northwesterly 20 to 30 km/h turning west to southwesterly 15 to 25 km/h in the late morning and afternoon. Daytime maximum temperatures between 17 and 20.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to northwesterly 20 to 25 knots, reaching up to 30 knots during the morning. Winds turning southwesterly 10 to 15 knots in the early afternoon.
Seas
1.5 to 2 metres, decreasing to 1 to 1.5 metres around midday.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A ridge lies to the north before a cold front moves through today. A new ridge will begin developing just to the north on Thursday before slipping south of Local Waters on Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dyer Island Temperature Statistics View More

September Temperature

Rottnest Island (4km)

  • Lowest 8 September, 2025

    8.2 °C

  • Average September

    14.8 °C

  • Highest 12 September, 2025

    22.4 °C

Climate (2020–Present)

Rottnest Island (4km)

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  • Average Low 2020–2025

    16 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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