Armstrong Rock Weather Forecast

    • 18
    • 27

    Sunny

    • 16
    • 26

    Wind easing. Sunny

    • 18
    • 27

    Sunny

    • 21
    • 27

    Sunny

    • 19
    • 24

    Becoming windy. Partly cloudy

    • 18
    • 25

    Becoming windy. Mostly sunny

    • 17
    • 25

    Wind easing. Sunny

Today 11 Feb Lower West

Mostly sunny. Winds southeasterly 25 to 40 km/h decreasing to 15 to 25 km/h in the evening then turning easterly 25 to 35 km/h in the late evening. Daytime maximum temperatures 26 to 31.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
South to southeasterly 15 to 20 knots tending east to southeasterly in the evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A ridge of high pressure is strengthening over the southwest and a west coast trough will start to develop from Thursday. The trough will push inland on Saturday as a cold front brushes the southwest coast.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Armstrong Rock Temperature Statistics View More

February Temperature

Rottnest Island (1km)

  • Lowest 5 February, 2026

    16.7 °C

  • Average February

    23.3 °C

  • Highest 2 February, 2026

    39.4 °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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