Thomson Bay Weather Forecast

    • 13
    • 17

    Clear

    • 13
    • 18

    Partly cloudy

    • 12
    • 20

    Shower or two. Becoming windy

    • 15
    • 20

    Showers. Windy

    • 12
    • 17

    Shower or two

    • 12
    • 17

    Shower or two

    • 13
    • 18

    Possible shower

Today 9 Jul Lower West

Clear. Light winds.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Clear.
Weather Situation
An approaching high pressure system extends a ridge over the mid west, moving into central Australia on Friday. A cold front is expected to cross the southwest on Saturday, bringing windy conditions.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thomson Bay Temperature Statistics View More

July Temperature

Rottnest Island (4km)

  • Lowest 8 July, 2025

    11.2 °C

  • Average July

    16.3 °C

  • Highest 6 July, 2025

    21.7 °C

Climate (2020–Present)

Rottnest Island (4km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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