Wilson Bay Weather Forecast

    • 19
    • 28

    Sunny

    • 22
    • 35

    Possible storm

    • 21
    • 28

    Sunny

    • 19
    • 25

    Partly cloudy

    • 18
    • 25

    Becoming windy. Partly cloudy

    • 17
    • 27

    Wind easing. Sunny

    • 19
    • 26

    Sunny

Today 13 Dec Lower West

Mostly sunny. The chance of a thunderstorm. Winds easterly 25 to 35 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots turning east to southeasterly 10 to 15 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A west coast trough will move offshore on Sunday and a weak low pressure system will develop within the trough, as a high pressure system strengthens in the Bight. The high will move east on Monday, allowing the trough to return to the west coast. The trough will move inland ahead of a cold front brushing the south coast on Tuesday. A new ridge will build across the southwest coast from Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Wilson Bay Temperature Statistics View More

December Temperature

Rottnest Island (4km)

  • Lowest 4 December, 2025

    16.7 °C

  • Average December

    20.7 °C

  • Highest 1 December, 2025

    36.2 °C

Climate (2020–Present)

Rottnest Island (4km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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