Perth FAD5 (offshore) Weather Forecast

    • 15
    • 17

    Windy

    • 15
    • 16

    Shower

    • 15
    • 17

    Shower

    • 15
    • 17

    Shower

    • 16
    • 20

    Sunny

    • 18
    • 19

    Shower

    • 19
    • 19

    Shower

Today 3 Aug Lower West

Cloudy. Medium chance of showers, becoming less likely later this evening. Possible small hail. Damaging winds possible until early in the evening. Winds southwesterly 25 to 40 km/h decreasing to 15 to 25 km/h in the late evening.

Perth Coastal Waters

Two Rocks to Dawesville, offshore from Rottnest Island
Wind
Southwesterly 20 to 30 knots.
Seas
3 metres.
1st Swell
Southwesterly 7 metres.
Weather
Partly cloudy. 60% chance of showers, with possible small hail.
Weather Situation
A vigorous southwest to westerly flow gradually eases away from the south coast Sunday evening in the wake of a cold front. From Monday, a weak ridge will develop across central WA allowing a moist westerly flow to continue across the southwest coast. A weak cold front brushes the south coast on Tuesday before the ridge slips south of the State on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Perth FAD5 (offshore) Temperature Statistics View More

August Temperature

Rottnest Island (37km)

  • Lowest 3 August, 2025

    10.2 °C

  • Average August

    16 °C

  • Highest 1 August, 2025

    20.2 °C

Climate (2020–Present)

Rottnest Island (37km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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