Swan River - Causeway Weather Forecast

    • 10
    • 20

    Possible shower

    • 7
    • 21

    Partly cloudy

    • 7
    • 23

    Sunny

    • 9
    • 23

    Partly cloudy

    • 9
    • 19

    Possible shower

    • 5
    • 19

    Mostly sunny

    • 5
    • 20

    Shower or two

Today 19 Aug Perth

Partly cloudy. Medium chance of showers, becoming less likely in the afternoon. Light winds.

Melville Waters

Wind
Northwesterly below 10 knots becoming west to southwesterly in the middle of the day then becoming southerly in the late evening.
Weather
Partly cloudy.
Weather Situation
A weak ridge lies to the north. A weak cold front will brush past the southwest corner of the state on Wednesday. The ridge further north will shift to southern WA on Thursday and Friday. A trough develops over the South West Land Division on Saturday, ahead of another cold front on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Causeway Temperature Statistics View More

August Temperature

Perth Metro (5km)

  • Lowest 11 August, 2026

    2.5 °C

  • Average August

    12.8 °C

  • Highest 3 August, 2026

    25.3 °C

Climate (2021–2026)

Perth Metro (5km)

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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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