Wilson Bay Weather Forecast

    • 14
    • 19

    Showers

    • 12
    • 19

    Shower or two. Windy

    • 11
    • 20

    Mostly sunny

    • 12
    • 21

    Partly cloudy

    • 11
    • 21

    Mostly sunny

    • 14
    • 20

    Partly cloudy

    • 15
    • 20

    Possible shower

Today 5 Sep Lower West

Cloudy. Very high chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm near the coast in the late afternoon and evening. Winds northerly 15 to 25 km/h tending northwesterly in the middle of the day then becoming light in the evening. Daytime maximum temperatures between 16 and 20.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 15 to 20 knots becoming variable about 10 knots in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm early this evening.
Weather Situation
Northwesterly winds prevail over the local waters this afternoon, ahead of a stronger cold front which will cross the west coast tonight. A southeasterly change will move over the local waters Sunday morning as new ridge extends into the Bight. Winds tend easterly mid-week as the high pressure centre arrives in the Bight, continuing east.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Wilson Bay Temperature Statistics View More

September Temperature

Rottnest Island (4km)

  • Lowest 1 September, 2026

    12.5 °C

  • Average September

    15.4 °C

  • Highest 3 September, 2026

    18.9 °C

Climate (2021–2026)

Rottnest Island (4km)

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  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
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