Thomson Bay Weather Forecast

    • 14
    • 21

    Windy. Sunny

    • 15
    • 24

    Windy. Sunny

    • 17
    • 26

    Sunny

    • 20
    • 28

    Sunny

    • 18
    • 23

    Windy. Cloud clearing

    • 17
    • 22

    Becoming windy. Sunny

    • 16
    • 23

    Becoming windy. Sunny

Today 28 Nov Lower West

Mostly sunny. The chance of smoke haze inland. Winds southeasterly 15 to 20 km/h becoming light in the morning then becoming south to southwesterly 20 to 30 km/h in the middle of the day. Daytime maximum temperatures in the low to high 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Sunny.
Weather Situation
A high pressure ridge over the area will strengthen during the next few days. The high will move across southern WA during the weekend with a new trough deepening down the west coast during Sunday and moving east away from the Local Waters late Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thomson Bay Temperature Statistics View More

November Temperature

Rottnest Island (4km)

  • Lowest 2 November, 2025

    11.9 °C

  • Average November

    19.2 °C

  • Highest 11 November, 2025

    31.5 °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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