Swan River - Heirisson Island Weather Forecast

    • 14
    • 24

    Partly cloudy

    • 12
    • 22

    Partly cloudy

    • 11
    • 24

    Sunny

    • 13
    • 29

    Sunny

    • 16
    • 33

    Sunny

    • 20
    • 38

    Sunny

    • 20
    • 31

    Cloud clearing

Today 26 Nov Perth

Partly cloudy. Slight chance of a shower during the morning and afternoon. Light winds becoming west to southwesterly 15 to 25 km/h in the middle of the day then tending south to southwesterly 15 to 20 km/h in the evening.

Melville Waters

Wind
Variable below 10 knots becoming west to southwesterly 10 to 15 knots in the middle of the day then becoming south to southwesterly below 10 knots in the evening.
Weather
Partly cloudy.
Weather Situation
A southwesterly flow extends over the Local Waters as a high pressure ridge develops to the north and east over inland southern WA. The ridge will slowly move south to be closer to the south coast mid to late in the week.
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  • 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

    20.6 °C

  • Highest 17 November, 2025

    34.5 °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

    25.5 °C
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