Perth Weather Forecast

    • 23
    • 34

    Mostly clear

    • 20
    • 30

    Partly cloudy

    • 19
    • 26

    Partly cloudy

    • 16
    • 33

    Sunny

    • 18
    • 32

    Sunny

    • 17
    • 31

    Sunny

    • 15
    • 31

    Sunny

Today 15 Dec Perth

Mostly clear. The chance of smoke haze. Light winds.

Melville Waters

Wind
West to southwesterly below 10 knots.
Weather
Mostly clear. The chance of fog with reduced visibility.
Weather Situation
A deep trough near the west coast is moving inland today. A weak cold front will brush past the southwest coast on Tuesday, followed by a new ridge building across the southwest coast from Wednesday. A new west coast trough will form on Friday.
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  • Temperature Forecast Bureau of Meteorology

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Perth Temperature Statistics View More

December Temperature

Perth Metro (4km)

  • Lowest 4 December, 2025

    14.6 °C

  • Average December

    23.4 °C

  • Highest 1 December, 2025

    39 °C

Climate (2020–Present)

Perth Metro (4km)

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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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