Perth FAD6 (offshore) Weather Forecast

    • 17
    • 20

    Partly cloudy

    • 18
    • 20

    Shower

    • 16
    • 17

    Shower

    • 14
    • 16

    Cloudy

    • 15
    • 18

    Sunny

    • 16
    • 19

    Cloudy

    • 18
    • 20

    Shower

Today 12 Aug Lower West

Sunny. The chance of morning fog inland. Light winds becoming northeasterly 15 to 20 km/h in the morning. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching the low 20s.

Perth Coastal Waters

Two Rocks to Dawesville, offshore from Rottnest Island
Wind
Variable about 10 knots becoming northeasterly 10 to 15 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Perth FAD6 (offshore) Temperature Statistics View More

August Temperature

Rottnest Island (34km)

  • Lowest 4 August, 2025

    9.2 °C

  • Average August

    15.6 °C

  • Highest 7 August, 2025

    20.7 °C

Climate (2020–Present)

Rottnest Island (34km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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