Thomson Bay Weather Forecast

    • 21
    • 29

    Clear

    • 20
    • 31

    Becoming windy. Sunny

    • 21
    • 29

    Sunny

    • 23
    • 30

    Sunny

    • 20
    • 27

    Becoming windy. Mostly sunny

    • 18
    • 28

    Becoming windy. Sunny

    • 19
    • 28

    Sunny

Today 30 Jan Lower West

Clear. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly 20 to 30 km/h in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots.
Seas
1.5 metres.
1st Swell
Southwesterly below 1 metre.
Weather
Clear.
Weather Situation
A trough nearby is strengthening and will move offshore over the weekend as a ridge becomes established to the east. The ridge will weaken on Monday, allowing the trough to move inland.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Thomson Bay Temperature Statistics View More

January Temperature

Rottnest Island (4km)

  • Lowest 18 January, 2026

    15.9 °C

  • Average January

    22 °C

  • Highest 21 January, 2026

    36.2 °C

Climate (2021–Present)

Rottnest Island (4km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    16 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
Get WillyWeather+ to remove ads