Wannanup - Oceanside Weather Forecast

    • 11
    • 16

    Shower or two

    • 11
    • 17

    Possible shower

    • 9
    • 18

    Shower or two

    • 12
    • 17

    Showers

    • 9
    • 14

    Showers

    • 10
    • 16

    Shower or two

    • 8
    • 16

    Shower or two

Today 21 Aug Mandurah

Cloudy. Medium chance of showers. Winds south to southwesterly 15 to 20 km/h turning west to northwesterly in the morning then becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
West to southwesterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
West to southwesterly 3 to 5 metres.
Weather
Partly cloudy. 50% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Wannanup - Oceanside Temperature Statistics View More

August Temperature

Mandurah (10km)

  • Lowest 15 August, 2025

    6.9 °C

  • Average August

    15 °C

  • Highest 17 August, 2025

    21.6 °C

Climate (2020–Present)

Mandurah (10km)

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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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