Secret Harbour Weather Forecast

    • 28
    • 35

    Partly cloudy

    • 25
    • 35

    Partly cloudy

    • 25
    • 36

    Partly cloudy

    • 25
    • 32

    Possible shower

    • 23
    • 29

    Shower or two

    • 21
    • 28

    Cloud clearing

    • 18
    • 31

    Mostly sunny

Today 21 Jan Mandurah

Partly cloudy. Light winds becoming southeasterly 15 to 20 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly 10 to 15 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A ridge is located south of the Perth local Waters with a trough near the west coast. Winds may freshen later in the week as Ex-Tropical Sean approaches the far southwest of WA.
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Secret Harbour Temperature Statistics View More

January Temperature

Mandurah (13km)

  • Lowest 18 January, 2025

    15.4 °C

  • Average January

    24.3 °C

  • Highest 20 January, 2025

    39.3 °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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