Marmion Beach Weather Forecast

    • 15
    • 20

    Shower or two

    • 12
    • 18

    Shower or two. Becoming windy

    • 10
    • 18

    Shower or two

    • 8
    • 19

    Mostly sunny

    • 10
    • 22

    Partly cloudy

    • 12
    • 27

    Sunny

    • 17
    • 28

    Partly cloudy

Today 22 Oct Perth

Cloudy. Medium chance of showers, most likely in the early morning. Winds westerly 15 to 25 km/h turning southwesterly 20 to 30 km/h before dawn.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
West to southwesterly 2.5 to 3 metres, increasing to 2.5 to 4 metres during the morning.
Weather
Partly cloudy. 50% chance of showers.
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Marmion Beach Temperature Statistics View More

October Temperature

Swanbourne (13 km)

  • Lowest 2 October, 2026

    8.9 °C

  • Average October

    16.9 °C

  • Highest 13 October, 2026

    28.3 °C

Climate (2021–2026)

Swanbourne (13 km)

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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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