Rockingham Weather Forecast

    • 17
    • 28

    Mostly sunny

    • 21
    • 25

    Mostly sunny

    • 17
    • 21

    Showers increasing

    • 14
    • 18

    Showers easing

    • 15
    • 20

    Cloudy

    • 13
    • 21

    Sunny

    • 13
    • 19

    Possible shower

Today 16 Sep Perth

Partly cloudy. Medium chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the northeast in the afternoon and early evening. Winds easterly 20 to 30 km/h tending northeasterly in the morning then decreasing to 15 to 20 km/h in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
East to northeasterly 10 to 15 knots becoming variable below 10 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres by early evening.
Weather
Mostly sunny. The chance of a thunderstorm in the afternoon and early evening.
Weather Situation
A trough extends down the west coast. From Thursday, the trough will become mobile and move inland, ahead of a cold front crossing the local waters on Friday before the next ridge begins to develop.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rockingham Temperature Statistics View More

September Temperature

Garden Island (5km)

  • Lowest 1 September, 2026

    10.2 °C

  • Average September

    16.1 °C

  • Highest 11 September, 2026

    25 °C

Climate (2021–2026)

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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