Secret Harbour Weather Forecast

    • 15
    • 18

    Rain

    • 14
    • 21

    Shower or two

    • 15
    • 22

    Partly cloudy

    • 14
    • 21

    Shower or two

    • 12
    • 17

    Shower or two

    • 9
    • 17

    Partly cloudy

    • 9
    • 19

    Partly cloudy

Today 27 Apr Mandurah

Cloudy. Very high chance of rain, becoming less likely in the afternoon. The chance of a thunderstorm in the afternoon and evening. Light winds becoming southerly 15 to 20 km/h in the middle of the day then becoming light in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to southeasterly about 10 knots tending southerly 10 to 15 knots in the middle of the day then tending southeasterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm.
Weather Situation
A low pressure system is approaching the west coast as a trough deepens down the west coast. A cold front will sweep by the south coast during today, dragging the west coast trough further inland, while the low lingers about the west coast until Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Secret Harbour Temperature Statistics View More

April Temperature

Mandurah (13km)

  • Lowest 22 April, 2026

    10.9 °C

  • Average April

    18.8 °C

  • Highest 3 April, 2026

    29 °C

Climate (2021–Present)

Mandurah (13km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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