Jervoise Bay Weather Forecast

    • 12
    • 22

    Mostly sunny

    • 13
    • 25

    Sunny

    • 16
    • 28

    Mostly sunny

    • 19
    • 24

    Mostly sunny

    • 15
    • 22

    Showers

    • 11
    • 19

    Possible shower

    • 12
    • 20

    Partly cloudy

Today 14 Sep Perth

Mostly sunny. Winds east to southeasterly and light becoming southeasterly 15 to 20 km/h in the late afternoon then increasing to 20 to 30 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots turning southeasterly in the evening.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
1st Swell
West to southwesterly 2 to 2.5 metres.
Weather
Sunny.
Weather Situation
A westerly flow initially before turning easterly during today as a high develops in the Bight. A trough arrives on the west coast on Tuesday. The trough will move back inland later Thursday ahead of another cold front that will move over local waters Friday morning.
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  • 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

    15.5 °C

  • Highest 11 September, 2026

    26.3 °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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