Marmion Weather Forecast

    • 11
    • 19

    Shower or two

    • 10
    • 20

    Sunny

    • 11
    • 20

    Sunny

    • 11
    • 19

    Showers increasing

    • 11
    • 18

    Showers easing

    • 11
    • 17

    Possible shower

    • 8
    • 17

    Partly cloudy

Today 6 Jul Perth

Partly cloudy. Medium chance of showers, most likely in the morning. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the morning then decreasing to about 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1 to 2 metres, increasing to 2 to 3 metres around midday.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the early morning.
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Marmion Temperature Statistics View More

July Temperature

Swanbourne (12km)

  • Lowest 4 July, 2026

    8.5 °C

  • Average July

    13.7 °C

  • Highest 4 July, 2026

    18.9 °C

Climate (2021–2026)

Swanbourne (12km)

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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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