Armstrong Rock Weather Forecast

    • 12
    • 21

    Showers

    • 14
    • 22

    Becoming windy. Sunny

    • 15
    • 22

    Sunny

    • 15
    • 22

    Sunny

    • 16
    • 21

    Possible shower

    • 16
    • 21

    Shower or two

    • 15
    • 20

    Shower or two

Today 26 Oct Lower West

Cloudy. Very high chance of showers, most likely in the morning. The chance of a thunderstorm in the north in the early afternoon. Light winds becoming northeast to southeasterly 15 to 20 km/h in the morning then tending south to southeasterly 15 to 25 km/h in the late afternoon. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching the low 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots turning south to southeasterly 15 to 20 knots early in the morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A ridge of high pressure will remain over the southwest coast while a trough moves north up the west coast, bringing southerly winds, becoming fresh at times, to local waters. The trough will move inland on Wednesday, bringing easterly winds to local waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Armstrong Rock Temperature Statistics View More

October Temperature

Rottnest Island (1 km)

  • Lowest 24 October, 2026

    9.1 °C

  • Average October

    16.6 °C

  • Highest 14 October, 2026

    27.4 °C

Climate (2021–2026)

Rottnest Island (1 km)

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

  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
Get WillyWeather+ to remove ads