Australian Marine Complex Weather Forecast

    • 12
    • 21

    Shower or two developing

    • 11
    • 19

    Shower or two

    • 9
    • 18

    Partly cloudy

    • 11
    • 20

    Showers increasing

    • 13
    • 19

    Showers

    • 10
    • 18

    Shower or two

    • 7
    • 20

    Partly cloudy

Today 22 Aug Perth

Partly cloudy. High chance of showers, most likely in the afternoon and early evening. The chance of a thunderstorm in the afternoon and early evening. Winds east to northeasterly 15 to 20 km/h becoming light in the middle of the day then becoming southerly 15 to 25 km/h in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to northeasterly about 10 knots tending southwesterly 10 to 15 knots in the middle of the day then tending southerly 15 to 25 knots in the late afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm in the afternoon and early evening.
Weather Situation
A weak ridge lies across southern WA. A trough is deepening down the west coast and will move inland during today. A weak cold front will cross the southwest corner of the state early on Sunday ahead of another ridge which will extend across the southern half of the state on Sunday and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Australian Marine Complex Temperature Statistics View More

August Temperature

Jandakot Airport (11km)

  • Lowest 11 August, 2026

    0.5 °C

  • Average August

    12.7 °C

  • Highest 16 August, 2026

    24.3 °C

Climate (2021–2026)

Jandakot Airport (11km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    18.6 °C

  • Average High 2021–2026

    25.4 °C
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