The Basin Weather Forecast

    • 15
    • 20

    Shower or two

    • 11
    • 16

    Showers increasing

    • 13
    • 17

    Showers easing. Windy

    • 13
    • 18

    Shower or two

    • 14
    • 19

    Showers easing

    • 13
    • 18

    Possible shower

    • 14
    • 18

    Shower or two

Today 12 Jul Lower West

Cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. Winds northwesterly 20 to 30 km/h turning west to southwesterly in the late morning then becoming light in the evening. Daytime maximum temperatures between 15 and 19.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwest to southwesterly 15 to 25 knots tending south to southwesterly 15 to 20 knots in the late afternoon then tending south to southeasterly 10 to 15 knots in the evening.
Seas
1.5 to 2 metres, decreasing to 1 metre by early evening.
1st Swell
West to southwesterly 2.5 to 3 metres.
Weather
Cloudy. 95% chance of showers.
Weather Situation
A cold front continues to track east today moving over the South West Land Division. A new ridge will extend over southwest WA on Sunday, followed by a weak cold front brushing the south coast on Sunday night and Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Basin Temperature Statistics View More

July Temperature

Rottnest Island (3km)

  • Lowest 8 July, 2025

    11.2 °C

  • Average July

    15.8 °C

  • Highest 6 July, 2025

    21.7 °C

Climate (2020–Present)

Rottnest Island (3km)

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

  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
Get WillyWeather+ to remove ads