Thomson Bay Weather Forecast

    • 11
    • 21

    Clear

    • 13
    • 23

    Sunny

    • 17
    • 24

    Late shower or two

    • 16
    • 21

    Early storm. Showers easing

    • 16
    • 20

    Cloudy

    • 16
    • 21

    Shower or two

    • 15
    • 20

    Shower or two

Today 12 Oct Lower West

Sunny. Winds easterly 15 to 20 km/h turning southeasterly 20 to 30 km/h in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots tending southeasterly 15 to 20 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Sunny.
Weather Situation
A ridge extends over the south of the State. The ridge will slowly move east as a cold front approaches the local waters early Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thomson Bay Temperature Statistics View More

October Temperature

Rottnest Island (4 km)

  • Lowest 2 October, 2026

    12.3 °C

  • Average October

    16.5 °C

  • Highest 2 October, 2026

    21.2 °C

Climate (2021–2026)

Rottnest Island (4 km)

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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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