Perth Weather Forecast

    • 17
    • 31

    Sunny

    • 18
    • 36

    Sunny

    • 21
    • 40

    Sunny

    • 26
    • 41

    Mostly sunny

    • 22
    • 27

    Partly cloudy

    • 15
    • 29

    Cloud clearing

    • 15
    • 31

    Sunny

Today 22 Dec Perth

Sunny. Winds south to southwesterly 25 to 35 km/h turning southeasterly 20 to 30 km/h in the late evening.

Melville Waters

Wind
Southwesterly 10 to 15 knots tending southerly in the evening then becoming southeasterly below 10 knots in the late evening.
Weather
Sunny.
Weather Situation
A ridge persists over local waters. A west coast trough is deepening and will move offshore on Wednesday before moving inland on Friday ahead of a weak cold front.
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  • Temperature Forecast Bureau of Meteorology

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Perth Temperature Statistics View More

December Temperature

Perth Metro (4km)

  • Lowest 21 December, 2025

    13.8 °C

  • Average December

    23.2 °C

  • Highest 14 December, 2025

    40.1 °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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