Armstrong Rock Weather Forecast

    • 18
    • 22

    Shower or two

    • 20
    • 24

    Shower or two

    • 19
    • 23

    Shower or two. Becoming windy

    • 18
    • 22

    Wind easing. Partly cloudy

    • 17
    • 22

    Partly cloudy

    • 17
    • 25

    Sunny

    • 18
    • 25

    Mostly sunny

Today 28 Mar Lower West

Cloudy. Medium chance of showers. Winds westerly 25 to 35 km/h becoming light in the evening then becoming west to northwesterly 15 to 25 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Westerly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly below 1 metre.
Weather
Cloudy. 50% chance of showers.
Weather Situation
Ex-Tropical Cyclone Narelle is passing through the inland South West Land Division, freshening the westerly winds. A cold front passes over southern WA on Monday, strengthening winds.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Armstrong Rock Temperature Statistics View More

March Temperature

Rottnest Island (1km)

  • Lowest 11 March, 2026

    15.1 °C

  • Average March

    22.1 °C

  • Highest 18 March, 2026

    36.3 °C

Climate (2021–Present)

Rottnest Island (1km)

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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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