North Cottesloe Beach Weather Forecast

    • 9
    • 20

    Mostly sunny

    • 9
    • 19

    Mostly sunny

    • 11
    • 19

    Partly cloudy

    • 11
    • 19

    Showers. Becoming windy

    • 10
    • 18

    Showers. Becoming windy

    • 11
    • 18

    Showers

    • 10
    • 18

    Possible shower

Today 2 Sep Perth

Mostly sunny. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable about 10 knots becoming southerly 10 to 15 knots in the late afternoon then tending southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Cloud clearing.
Weather Situation
A west coast trough is forming and will move inland on Wednesday, ahead of a weak cold front about the southwest coast. A more substantial cold front will sweep through the Local waters on Friday night.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

North Cottesloe Beach Temperature Statistics View More

September Temperature

Swanbourne (3km)

  • Lowest 1 September, 2025

    7.9 °C

  • Average September

    10.7 °C

  • Highest

    –

Climate (2020–Present)

Swanbourne (3km)

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  • Average Low 2020–2025

    14.6 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    24.3 °C
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