Thomson Bay Weather Forecast

    • 25
    • 31

    Partly cloudy

    • 23
    • 31

    Partly cloudy

    • 24
    • 31

    Partly cloudy

    • 24
    • 29

    Mostly sunny

    • 22
    • 27

    Possible shower

    • 20
    • 26

    Becoming windy. Partly cloudy

    • 19
    • 27

    Windy. Cloud clearing

Today 21 Jan Lower West

Partly cloudy. Slight chance of a shower inland, near zero chance elsewhere. The chance of a thunderstorm. Winds south to southwesterly 15 to 20 km/h turning southeasterly in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly 10 to 15 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A ridge is located south of the Perth local Waters with a trough near the west coast. Winds may freshen later in the week as Ex-Tropical Sean approaches the far southwest of WA.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thomson Bay Temperature Statistics View More

January Temperature

Rottnest Island (4km)

  • Lowest 15 January, 2025

    16.6 °C

  • Average January

    22.7 °C

  • Highest 20 January, 2025

    39.2 °C

Climate (2020–Present)

Rottnest Island (4km)

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  • Average Low 2020–2025

    16 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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