Cottesloe Beach Weather Forecast

    • 10
    • 17

    Showers. Very windy

    • 8
    • 17

    Shower or two

    • 11
    • 18

    Showers. Very windy

    • 7
    • 17

    Shower or two

    • 8
    • 18

    Partly cloudy

    • 8
    • 19

    Mostly sunny

    • 9
    • 21

    Sunny

Today 8 Aug Perth

Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning. Possible small hail in the morning and afternoon. Winds westerly 25 to 40 km/h tending southwesterly in the early morning then becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly 25 to 30 knots, reaching up to 35 knots early in the morning. Winds turning southerly 20 to 30 knots in the late afternoon.
Seas
2 to 3 metres.
1st Swell
West to southwesterly 2 to 3 metres, increasing to 3 to 4 metres during the morning, then tending southwesterly 3 to 5 metres during the afternoon.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning. Possible small hail in the morning and afternoon.
Caution
Large and powerful surf conditions from the morning are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cottesloe Beach Temperature Statistics View More

August Temperature

Swanbourne (4km)

  • Lowest 2 August, 2026

    6.1 °C

  • Average August

    14.8 °C

  • Highest 3 August, 2026

    21.9 °C

Climate (2021–2026)

Swanbourne (4km)

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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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