Thomson Bay Weather Forecast

    • 23
    • 27

    Mostly clear

    • 20
    • 28

    Becoming windy. Sunny

    • 22
    • 28

    Becoming windy. Sunny

    • 20
    • 28

    Very windy. Sunny

    • 19
    • 29

    Wind easing. Sunny

    • 22
    • 30

    Sunny

    • 24
    • 31

    Sunny

Today 31 Jan Lower West

Clear. Winds southwesterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 20 knots.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Mostly clear.
Weather Situation
A trough over the South West Land Division will move east during Friday night and Saturday as a weak ridge extends south of the state. A new broader trough then forms just inland from the west coast later Saturday and Sunday, and moves east on Monday as another stronger ridge develops from the west.
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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

    23.4 °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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