Mabel Cove Weather Forecast

    • 15
    • 19

    Morning shower or two

    • 15
    • 19

    Mostly sunny

    • 15
    • 19

    Mostly sunny

    • 15
    • 19

    Cloud clearing

    • 14
    • 19

    Possible shower

    • 13
    • 19

    Shower or two. Becoming windy

    • 12
    • 18

    Shower or two. Wind easing

Today 20 Sep Lower West

Cloudy. Medium chance of showers, becoming less likely this afternoon. Light winds. Daytime maximum temperatures in the low 20s.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 10 to 15 knots turning south to southeasterly below 10 knots during the morning then becoming south to southwesterly in the middle of the day.
Seas
Below 1 metre.
1st Swell
West to southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon.
Weather
Cloudy. 50% chance of showers this morning.
Weather Situation
A new ridge will develop today before weakening tomorrow. A second ridge is expected to begin strengthening again on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mabel Cove Temperature Statistics View More

September Temperature

Rottnest Island (4km)

  • Lowest 9 September, 2026

    11.5 °C

  • Average September

    16.7 °C

  • Highest 16 September, 2026

    27.8 °C

Climate (2021–2026)

Rottnest Island (4km)

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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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