Jervoise Bay Weather Forecast

    • 15
    • 21

    Cloudy

    • 13
    • 21

    Sunny

    • 13
    • 20

    Mostly sunny

    • 13
    • 21

    Partly cloudy

    • 12
    • 21

    Possible shower

    • 12
    • 20

    Shower or two

    • 11
    • 20

    Shower or two

Today 20 Sep Perth

Cloudy morning, partly cloudy afternoon. Medium chance of showers in the morning and early afternoon. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1.5 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A new ridge will develop today before weakening tomorrow. A second ridge is expected to begin strengthening again on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Jervoise Bay Temperature Statistics View More

September Temperature

Jandakot Airport (12km)

  • Lowest 1 September, 2026

    6.8 °C

  • Average September

    16.7 °C

  • Highest 16 September, 2026

    30.1 °C

Climate (2021–2026)

Jandakot Airport (12km)

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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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