First Rock Weather Forecast

    • 19
    • 30

    Clear

    • 17
    • 26

    Becoming windy. Mostly sunny

    • 15
    • 28

    Sunny

    • 18
    • 29

    Sunny

    • 18
    • 34

    Sunny

    • 25
    • 34

    Mostly sunny

    • 22
    • 30

    Mostly sunny

Today 20 Feb Perth

Clear. Winds southwesterly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots tending southerly 20 to 30 knots in the late evening.
Seas
1.5 metres.
1st Swell
Southwesterly below 1 metre.
Weather
Clear.
Weather Situation
A ridge is building over the southwest of the state and is directing southerly winds through local waters. The ridge will expand over southern WA during the weekend. A trough will move to the west coast on Monday from inland areas and deepen during next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

First Rock Temperature Statistics View More

February Temperature

Garden Island (7km)

  • Lowest 17 February, 2026

    15.2 °C

  • Average February

    23.1 °C

  • Highest 2 February, 2026

    40.4 °C

Climate (2021–Present)

Garden Island (7km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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