Perth Weather Forecast

    • 8
    • 23

    Partly cloudy

    • 9
    • 25

    Sunny

    • 11
    • 26

    Mostly sunny

    • 11
    • 24

    Partly cloudy

    • 10
    • 21

    Mostly sunny

    • 7
    • 21

    Sunny

    • 9
    • 23

    Partly cloudy

Today 18 May Perth

Partly cloudy. The chance of morning fog. Slight chance of a shower in the southwest in the morning and early afternoon. Near zero chance of rain elsewhere. Light winds.

Melville Waters

Wind
Easterly below 10 knots becoming southwesterly in the early afternoon then becoming south to southeasterly in the evening.
Weather
Partly cloudy.
Weather Situation
A ridge lies over the region and will persist through the much of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

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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