Little Armstrong Bay Weather Forecast

    • 15
    • 22

    Sunny

    • 15
    • 22

    Sunny

    • 16
    • 23

    Sunny

    • 16
    • 22

    Sunny

    • 16
    • 22

    Mostly sunny

    • 16
    • 20

    Shower or two

    • 13
    • 18

    Shower or two

Today 9 May Lower West

Mostly sunny. The chance of smoke haze in the morning. The chance of smoke haze in the evening. Winds northeasterly 20 to 30 km/h becoming light in the late afternoon then becoming easterly 15 to 20 km/h in the late evening. Daytime maximum temperatures in the low to mid 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northeasterly 15 to 20 knots tending easterly 10 to 15 knots in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A slow moving high pressure system south of the State will direct E to NE'ly winds over Local waters through to the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Little Armstrong Bay Temperature Statistics View More

May Temperature

Rottnest Island (1km)

  • Lowest 2 May, 2026

    12.4 °C

  • Average May

    16.4 °C

  • Highest 6 May, 2026

    21.7 °C

Climate (2021–Present)

Rottnest Island (1km)

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  • Average Low 2021–2026

    16 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.7 °C
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