Cottesloe Beach Weather Forecast

    • 14
    • 23

    Windy. Sunny

    • 15
    • 25

    Becoming windy. Sunny

    • 15
    • 25

    Sunny

    • 16
    • 26

    Becoming windy. Sunny

    • 16
    • 28

    Becoming windy. Sunny

    • 17
    • 30

    Sunny

    • 20
    • 29

    Becoming windy. Sunny

Today 5 Dec Perth

Sunny. Winds southwesterly 25 to 35 km/h turning southerly 15 to 25 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly 15 to 20 knots increasing to 20 to 25 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Clear.
Weather Situation
A ridge over the Local Waters will weaken on Sunday night, as a weak cold front moves past the south coast on Monday. A new ridge will follow in the front's wake.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cottesloe Beach Temperature Statistics View More

December Temperature

Swanbourne (4km)

  • Lowest 4 December, 2025

    14.6 °C

  • Average December

    21.7 °C

  • Highest 1 December, 2025

    38.4 °C

Climate (2020–Present)

Swanbourne (4km)

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  • Average Low 2020–2025

    14.5 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    24.3 °C
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