Little Armstrong Bay Weather Forecast

    • 21
    • 28

    Sunny

    • 19
    • 24

    Becoming windy. Partly cloudy

    • 18
    • 23

    Windy. Partly cloudy

    • 15
    • 24

    Windy. Sunny

    • 18
    • 25

    Sunny

    • 20
    • 26

    Sunny

    • 20
    • 26

    Sunny

Today 14 Feb Lower West

Mostly sunny. Slight chance of a shower in the south in the late afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the late afternoon and evening. Winds east to northeasterly 20 to 30 km/h tending north to northeasterly 15 to 25 km/h in the morning then shifting southwesterly 20 to 30 km/h in the early afternoon. Overnight temperatures falling to between 16 and 19 with daytime temperatures reaching the low to mid 30s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the early morning then shifting southwesterly 15 to 20 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
Southwesterly around 1 metre.
Weather
Sunny.
Weather Situation
A high pressure centre drifting east in the Great Australian Bight extends a ridge across southern WA. A trough along the west coast will deepen before moving inland today, as a weak front brushes the southwest coast. A new ridge will strengthen over coastal waters in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Little Armstrong Bay Temperature Statistics View More

February Temperature

Rottnest Island (1km)

  • Lowest 12 February, 2026

    16.4 °C

  • Average February

    22.7 °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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