Rockingham Weather Forecast

    • 14
    • 22

    Mostly sunny

    • 11
    • 21

    Showers increasing

    • 11
    • 18

    Partly cloudy

    • 9
    • 17

    Sunny

    • 9
    • 20

    Mostly sunny

    • 11
    • 22

    Sunny

    • 13
    • 22

    Shower or two

Today 20 May Perth

Mostly sunny. Winds northwesterly 15 to 20 km/h becoming light in the late afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 2 metres.
Weather
Mostly sunny.
Weather Situation
A ridge over the local waters will continue to weaken before a cold front moves through during Thursday. Another ridge develops over the southwest on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rockingham Temperature Statistics View More

May Temperature

Garden Island (5km)

  • Lowest 17 May, 2026

    8.4 °C

  • Average May

    16.6 °C

  • Highest 11 May, 2026

    26.2 °C

Climate (2021–Present)

Garden Island (5km)

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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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