Swan River - Northbank Marina Weather Forecast

    • 17
    • 27

    Clear

    • 17
    • 29

    Sunny

    • 19
    • 27

    Sunny

    • 17
    • 30

    Mostly sunny

    • 17
    • 33

    Sunny

    • 21
    • 37

    Partly cloudy

    • 24
    • 35

    Partly cloudy

Today 9 Dec Perth

Clear. Winds southwesterly 25 to 35 km/h turning southeasterly 15 to 25 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots in the late afternoon. Winds turning south to southeasterly 15 to 20 knots in the evening.
Seas
Around 1 metre, increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Sunny.
Weather Situation
An inland trough will move closer to the west coast by the weekend where it is expected to deepen. The trough will move offshore on Sunday as a high pressure system moves into the Bight and strengthens.
Graph Plots Open in Graphs

  • 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

    20.8 °C

  • Highest 1 December, 2025

    38.4 °C

Climate (2020–Present)

Swanbourne (9km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    14.5 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    24.3 °C
Get WillyWeather+ to remove ads