Secret Harbour Weather Forecast

    • 12
    • 18

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 13
    • 20

    Possible shower

    • 15
    • 19

    Shower or two

    • 13
    • 21

    Partly cloudy

    • 13
    • 22

    Sunny

Today 20 Oct Mandurah

Partly cloudy. Slight chance of a shower. Winds southerly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 20 to 30 knots.
Seas
Around 1 metre.
1st Swell
West to southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 60% chance of showers.
Weather Situation
A cut-off low moves across the local waters today. A ridge will develop over the area from Tuesday.
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  • Temperature Forecast Bureau of Meteorology

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Secret Harbour Temperature Statistics View More

October Temperature

Mandurah (13km)

  • Lowest 20 October, 2025

    10.5 °C

  • Average October

    16.6 °C

  • Highest 17 October, 2025

    23.8 °C

Climate (2020–Present)

Mandurah (13km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    23.8 °C
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