Perth FAD4 (offshore) Weather Forecast

    • 17
    • 19

    Sunny

    • 17
    • 20

    Sunny

    • 19
    • 19

    Shower

    • 18
    • 19

    Shower

    • 17
    • 18

    Shower

    • 16
    • 18

    Partly cloudy

    • 16
    • 18

    Partly cloudy

Today 7 Jul Lower West

Patchy morning fog. Sunny afternoon. Light winds. Daytime maximum temperatures around 20.

Perth Coastal Waters

Two Rocks to Dawesville, offshore from Rottnest Island
Wind
Easterly 10 to 15 knots becoming variable below 10 knots in the morning.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 to 4 metres, decreasing to 3 metres by early evening.
Weather
Mostly sunny.
Weather Situation
A weak trough lingers over the inland South West Land Division, decaying on Tuesday as a ridge becomes established over southeastern parts of the state. A cold front will pass south of the state on Thursday. A low pressure system and an associated cold front will then intercept the west coast on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Perth FAD4 (offshore) Temperature Statistics View More

July Temperature

Rottnest Island (43km)

  • Lowest 1 July, 2026

    9.9 °C

  • Average July

    15 °C

  • Highest 5 July, 2026

    18.9 °C

Climate (2021–2026)

Rottnest Island (43km)

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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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