Swan River - Heirisson Island Weather Forecast

    • 15
    • 25

    Shower or two. Possible storm

    • 15
    • 23

    Partly cloudy

    • 12
    • 25

    Partly cloudy

    • 13
    • 28

    Sunny

    • 16
    • 29

    Sunny

    • 14
    • 30

    Sunny

    • 14
    • 31

    Sunny

Today 5 Nov Perth

Partly cloudy. Medium chance of showers. A thunderstorm likely, possibly severe with heavy rain which may lead to flash flooding about the hills. Possible small hail in the morning. Winds easterly 15 to 20 km/h tending west to northwesterly in the middle of the day then tending southwesterly 15 to 25 km/h in the early afternoon.

Melville Waters

Wind
East to southeasterly below 10 knots becoming westerly in the morning then becoming south to southwesterly in the middle of the day.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm.
Weather Situation
A trough and low pressure system remains offshore this morning and deepens, while a ridge over southern WA weakens. The trough and low pressure system will move east across the west coast later today, before moving further inland on Thursday, followed by a new ridge.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Heirisson Island Temperature Statistics View More

November Temperature

Perth Metro (5km)

  • Lowest 2 November, 2025

    7.6 °C

  • Average November

    19.2 °C

  • Highest 3 November, 2025

    30.1 °C

Climate (2020–Present)

Perth Metro (5km)

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  • Average Low 2020–2025

    13.4 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    25.4 °C
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