Nancy Cove Weather Forecast

    • 15
    • 19

    Sunny

    • 15
    • 19

    Partly cloudy

    • 15
    • 19

    Morning shower or two

    • 14
    • 19

    Possible shower

    • 13
    • 18

    Shower or two. Becoming windy

    • 11
    • 17

    Shower or two

    • 12
    • 18

    Shower or two

Today 21 Sep Lower West

Mostly sunny. Light winds becoming west to southwesterly 15 to 20 km/h in the early afternoon then tending south to southwesterly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures 21 to 26.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable below 10 knots becoming southerly 10 to 15 knots in the middle of the day.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Sunny.
Weather Situation
A ridge sits over the local waters, weakening tonight and strengthening later Tuesday ahead of the next cold front on Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nancy Cove Temperature Statistics View More

September Temperature

Rottnest Island (1km)

  • Lowest 9 September, 2026

    11.5 °C

  • Average September

    16.7 °C

  • Highest 16 September, 2026

    27.8 °C

Climate (2021–2026)

Rottnest Island (1km)

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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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