Swan River - Mounts Bay Weather Forecast

    • 10
    • 20

    Showers

    • 12
    • 20

    Showers easing

    • 10
    • 19

    Showers

    • 9
    • 20

    Shower or two

    • 7
    • 22

    Partly cloudy

    • 8
    • 22

    Sunny

    • 9
    • 23

    Mostly sunny

Today 3 Sep Perth

Cloudy. High chance of showers. Winds northwesterly 15 to 20 km/h tending westerly 20 to 30 km/h in the early afternoon.

Melville Waters

Wind
Northwesterly below 10 knots tending westerly 10 to 15 knots in the early afternoon.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A moderate cold front will cross the local waters early Friday. A stronger cold front will cross the west coast on Saturday night. A new ridge will develop to the south from Sunday and will bring southeasterly change.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Mounts Bay Temperature Statistics View More

September Temperature

Perth Metro (6km)

  • Lowest 1 September, 2026

    8.3 °C

  • Average September

    12.7 °C

  • Highest 1 September, 2026

    19.2 °C

Climate (2021–2026)

Perth Metro (6km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    25.4 °C
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