Monday Rock Weather Forecast

    • 18
    • 22

    Partly cloudy

    • 16
    • 21

    Showers increasing

    • 14
    • 19

    Showers easing. Windy

    • 15
    • 19

    Possible morning shower

    • 14
    • 20

    Sunny

    • 15
    • 19

    Shower or two

    • 14
    • 19

    Mostly sunny

Today 17 Sep Lower West

Partly cloudy. Winds westerly 15 to 20 km/h becoming light in the evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 10 to 15 knots becoming northerly about 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A trough extends down the west coast. The trough will move inland today ahead of a cold front which will pass over the local waters on Friday before the next ridge begins to develop Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Monday Rock Temperature Statistics View More

September Temperature

Rottnest Island (4km)

  • Lowest 9 September, 2026

    11.5 °C

  • Average September

    16.3 °C

  • Highest 11 September, 2026

    23.3 °C

Climate (2021–2026)

Rottnest Island (4km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    16.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    22.8 °C
Get WillyWeather+ to remove ads