Little Armstrong Bay Weather Forecast

    • 18
    • 24

    Mostly sunny

    • 17
    • 23

    Sunny

    • 18
    • 23

    Mostly sunny

    • 16
    • 21

    Shower or two. Windy

    • 15
    • 20

    Possible shower

    • 14
    • 20

    Partly cloudy

    • 14
    • 21

    Cloud clearing

Today 20 Nov Lower West

Partly cloudy. Slight chance of a shower in the afternoon. The chance of a thunderstorm in the afternoon and early evening, possibly severe with heavy rain which may lead to flash flooding. Winds easterly 20 to 30 km/h turning southeasterly 15 to 25 km/h in the late morning and early afternoon. Daytime maximum temperatures in the mid to high 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southwesterly 10 to 15 knots turning southeasterly in the evening.
Seas
Around 1 metre.
1st Swell
Southwesterly below 1 metre.
Weather
Mostly sunny. The chance of a thunderstorm.
Weather Situation
A trough will remain over the area for the next few days, moving inland later Saturday ahead of a high pressure ridge moving pushing in from the west.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Little Armstrong Bay Temperature Statistics View More

November Temperature

Rottnest Island (1km)

  • Lowest 2 November, 2025

    11.9 °C

  • Average November

    19.2 °C

  • Highest 11 November, 2025

    31.5 °C

Climate (2020–Present)

Rottnest Island (1km)

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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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