Marmion Beach Weather Forecast

    • 11
    • 18

    Mostly sunny

    • 9
    • 19

    Partly cloudy

    • 12
    • 21

    Showers increasing. Windy

    • 13
    • 19

    Showers. Very windy

    • 10
    • 17

    Showers

    • 9
    • 18

    Shower or two

    • 8
    • 18

    Shower or two

Today 4 Jul Perth

Mostly sunny. Winds southerly 15 to 20 km/h becoming light in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly 10 to 15 knots decreasing to below 10 knots in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
Weather
Partly cloudy.
Weather Situation
A new high pressure system drifts over the south of the state, followed by a sequence of cold fronts on Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marmion Beach Temperature Statistics View More

July Temperature

Swanbourne (13km)

  • Lowest 3 July, 2025

    12.5 °C

  • Average July

    15.5 °C

  • Highest 2 July, 2025

    21.4 °C

Climate (2020–Present)

Swanbourne (13km)

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  • Average Low 2020–2025

    14.6 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    24.3 °C
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