North Cottesloe Beach Weather Forecast

    • 8
    • 17

    Shower or two

    • 11
    • 16

    Showers. Windy

    • 6
    • 16

    Morning shower or two

    • 7
    • 18

    Mostly sunny

    • 7
    • 19

    Mostly sunny

    • 8
    • 21

    Mostly sunny

    • 9
    • 22

    Sunny

Today 9 Aug Perth

Partly cloudy. High chance of showers near the coast, medium chance elsewhere. The chance of frost in the northeast early this morning. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeast to southwesterly 15 to 20 knots becoming variable about 10 knots in the morning then becoming westerly 10 to 15 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 3 to 5 metres, decreasing to 2.5 to 3 metres by early evening.
Weather
Cloudy. 80% chance of showers.
Caution
Large and powerful surf conditions during this morning are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Weather Situation
A high pressure ridge to the north maintains a cold southwesterly flow over the area. Another cold front will move over the area on Monday, followed by another ridge on Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

North Cottesloe Beach Temperature Statistics View More

August Temperature

Swanbourne (3km)

  • Lowest 2 August, 2026

    6.1 °C

  • Average August

    14.8 °C

  • Highest 3 August, 2026

    21.9 °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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