Swan River - Mosman Bay Weather Forecast

    • 17
    • 27

    Windy. Clear

    • 17
    • 29

    Sunny

    • 19
    • 27

    Becoming windy. Sunny

    • 17
    • 30

    Becoming windy. Mostly sunny

    • 17
    • 33

    Sunny

    • 21
    • 37

    Partly cloudy

    • 24
    • 35

    Mostly sunny

Today 9 Dec Perth

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

Melville Waters

Wind
Southwesterly 15 to 20 knots becoming variable about 10 knots in the evening.
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 - Mosman Bay Temperature Statistics View More

December Temperature

Swanbourne (5km)

  • Lowest 4 December, 2025

    14.6 °C

  • Average December

    20.8 °C

  • Highest 1 December, 2025

    38.4 °C

Climate (2020–Present)

Swanbourne (5km)

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