Swan River - Heirisson Island Weather Forecast

    • 7
    • 17

    Showers

    • 6
    • 17

    Mostly sunny

    • 5
    • 18

    Mostly sunny

    • 6
    • 20

    Sunny

    • 10
    • 18

    Showers

    • 9
    • 18

    Shower or two

    • 7
    • 18

    Possible shower

Today 8 Jul Perth

Cloudy. High chance of showers, becoming less likely in the late afternoon and evening. Light winds becoming west to northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.

Melville Waters

Wind
Northerly below 10 knots becoming south to southeasterly in the early afternoon.
Weather
Cloudy. 90% chance of showers.
Weather Situation
Fresh to strong southwesterly winds will ease later Monday night. A ridge will lie just to the north today and move over the area on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Heirisson Island Temperature Statistics View More

July Temperature

Perth Metro (5km)

  • Lowest 5 July, 2025

    6.8 °C

  • Average July

    14.9 °C

  • Highest 2 July, 2025

    22.3 °C

Climate (2020–Present)

Perth Metro (5km)

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  • Average Low 2020–2025

    13.5 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    25.5 °C
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