North Cottesloe Beach Weather Forecast

    • 12
    • 23

    Mostly sunny

    • 15
    • 20

    Morning showers. Wind easing

    • 13
    • 20

    Cloudy

    • 12
    • 23

    Mostly sunny

    • 14
    • 26

    Partly cloudy

    • 17
    • 28

    Sunny

    • 17
    • 24

    Mostly sunny

Today 11 Sep Perth

Partly cloudy. Winds northerly 15 to 20 km/h tending northwesterly in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly about 10 knots increasing to 15 to 20 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1.5 to 2 metres.
Weather
Mostly sunny.
Weather Situation
Winds will tend north to northwesterly today ahead of a weak cold front passing through the area on Saturday morning, followed by another cold front brushing the southwest coast later on Sunday. A west coast trough extends over the local waters from Tuesday.
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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, 2026

    9.6 °C

  • Average September

    15.3 °C

  • Highest 9 September, 2026

    21.7 °C

Climate (2021–2026)

Swanbourne (3km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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