Cottesloe Beach Weather Forecast

    • 18
    • 23

    Possible shower

    • 13
    • 24

    Becoming windy. Sunny

    • 15
    • 29

    Becoming windy. Sunny

    • 19
    • 31

    Sunny

    • 22
    • 33

    Mostly sunny

    • 22
    • 36

    Sunny

    • 21
    • 35

    Sunny

Today 26 Jan Perth

Partly cloudy. Medium chance of showers in the morning and early afternoon. Winds west to southwesterly 25 to 35 km/h tending south to southwesterly 20 to 30 km/h in the evening then becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Westerly 15 to 20 knots turning southerly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
West to southwesterly 2.5 to 4 metres, decreasing to 2.5 to 3 metres during the afternoon.
Weather
Partly cloudy.
Weather Situation
Westerly winds prevail as a cold front approaches, then tending southwesterly in the wake of the front on Monday. A ridge develops south of the State from Tuesday, before a west coast trough returns on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

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Cottesloe Beach Temperature Statistics View More

January Temperature

Swanbourne (4km)

  • Lowest 18 January, 2026

    14.5 °C
  • Average January

    23.4 °C
  • Highest 21 January, 2026

    41.2 °C

Climate (2021–Present)

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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