Swan River - Northbank Marina Weather Forecast

    • 19
    • 32

    Sunny

    • 19
    • 33

    Sunny

    • 23
    • 38

    Possible storm

    • 24
    • 32

    Partly cloudy

    • 19
    • 27

    Partly cloudy

    • 17
    • 26

    Sunny

    • 17
    • 27

    Mostly sunny

Today 12 Dec Perth

Sunny. Winds southeasterly 20 to 30 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots, reaching up to 30 knots in the late afternoon. Winds turning southeasterly 15 to 20 knots in the evening.
Seas
1 to 2 metres.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
An inland trough will move closer to the west coast by the weekend where it will deepen. The trough will move offshore from the Local Waters on Sunday as a high pressure system moves into the Bight and strengthens.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Northbank Marina Temperature Statistics View More

December Temperature

Swanbourne (9km)

  • Lowest 4 December, 2025

    14.6 °C

  • Average December

    21.3 °C

  • Highest 1 December, 2025

    38.4 °C

Climate (2020–Present)

Swanbourne (9km)

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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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