Cottesloe Beach Weather Forecast

    • 19
    • 33

    Sunny

    • 23
    • 38

    Possible storm

    • 24
    • 31

    Mostly sunny

    • 19
    • 27

    Partly cloudy

    • 17
    • 25

    Cloud clearing

    • 16
    • 27

    Sunny

    • 17
    • 29

    Sunny

Today 13 Dec Perth

Sunny morning. The chance of a thunderstorm about the northern suburbs in the afternoon and evening. Winds easterly 25 to 40 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
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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

    21.5 °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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