Swan River - Pier 21 Marina Weather Forecast

    • 11
    • 21

    Mostly sunny

    • 12
    • 20

    Partly cloudy

    • 13
    • 19

    Showers. Becoming windy

    • 14
    • 20

    Shower or two

    • 13
    • 21

    Possible shower

    • 12
    • 23

    Mostly sunny

    • 13
    • 25

    Sunny

Today 22 Oct Perth

Mostly sunny. Winds northwest to southwesterly 15 to 20 km/h becoming southwesterly 15 to 25 km/h in the early afternoon then tending southerly 15 to 20 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots tending southerly in the late afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
1st Swell
Southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A west coast trough moves over the local waters and continues inland on Thursday. A ridge extends over southern areas ahead of a cold front reaching the local waters in the early hours of Friday. A weak ridge forms over the southwest on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Pier 21 Marina Temperature Statistics View More

October Temperature

Swanbourne (8km)

  • Lowest 6 October, 2025

    8.6 °C

  • Average October

    16.2 °C

  • Highest 17 October, 2025

    26.9 °C

Climate (2020–Present)

Swanbourne (8km)

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  • Average Low 2020–2025

    14.5 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    24.3 °C
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