Marmion Beach Weather Forecast

    • 13
    • 19

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 11
    • 22

    Sunny

    • 11
    • 21

    Sunny

    • 12
    • 20

    Partly cloudy

    • 15
    • 21

    Partly cloudy

    • 13
    • 23

    Sunny

Today 30 Sep Perth

Partly cloudy. Winds southwesterly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy.
Weather Situation
A weak cold front will brush the south coast tonight. A ridge will extend over southern WA from Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marmion Beach Temperature Statistics View More

September Temperature

Swanbourne (13km)

  • Lowest 1 September, 2026

    9.6 °C

  • Average September

    16.5 °C

  • Highest 16 September, 2026

    30.7 °C

Climate (2021–2026)

Swanbourne (13km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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