Perth Weather Forecast

    • 11
    • 25

    Mostly sunny

    • 10
    • 23

    Shower or two developing

    • 8
    • 20

    Sunny

    • 5
    • 20

    Sunny

    • 6
    • 22

    Mostly sunny

    • 9
    • 24

    Sunny

    • 11
    • 24

    Shower or two

Today 20 May Perth

Mostly sunny. Winds northeasterly 15 to 25 km/h turning northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.

Melville Waters

Wind
Northeasterly below 10 knots becoming west to northwesterly in the middle of the day then becoming east to northeasterly in the evening.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

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Perth Temperature Statistics View More

May Temperature

Perth Metro (4km)

  • Lowest 2 May, 2026

    5 °C

  • Average May

    14.9 °C

  • Highest 12 May, 2026

    28.3 °C

Climate (2021–Present)

Perth Metro (4km)

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  • Average Low 2021–2026

    13.4 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    25.4 °C
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