Secret Harbour Weather Forecast

    • 13
    • 18

    Morning shower or two

    • 9
    • 17

    Partly cloudy

    • 13
    • 18

    Showers

    • 8
    • 16

    Possible shower

    • 11
    • 18

    Showers increasing. Windy

    • 9
    • 15

    Showers easing. Wind easing

    • 11
    • 16

    Showers

Today 16 Jul Mandurah

Partly cloudy. High chance of showers early this morning. Winds southwesterly 15 to 20 km/h tending southerly in the morning then becoming light in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots tending southerly in the morning then becoming southeasterly about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 2.5 to 4 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A weak cold front moves through this morning, followed by a new ridge developing in it's wake tonight. A second weak cold front sweeps through on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Secret Harbour Temperature Statistics View More

July Temperature

Mandurah (13km)

  • Lowest 10 July, 2025

    8.7 °C

  • Average July

    14.5 °C

  • Highest 6 July, 2025

    20.2 °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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