The Basin Weather Forecast

    • 11
    • 16

    Possible morning shower

    • 11
    • 17

    Partly cloudy

    • 11
    • 19

    Mostly sunny

    • 12
    • 20

    Shower or two developing

    • 12
    • 17

    Shower or two

    • 10
    • 17

    Partly cloudy

    • 11
    • 18

    Partly cloudy

Today 2 Jul Lower West

Partly cloudy. Slight chance of a shower in the north early this morning. Near zero chance of rain elsewhere. Light winds becoming southeasterly 15 to 20 km/h in the morning then becoming light in the early afternoon. Daytime maximum temperatures between 14 and 18.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 10 to 15 knots turning east to southeasterly below 10 knots during the morning and early afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Cloudy.
Weather Situation
A cold front is moving east away from the south coast. A ridge currently over central WA will push south to lie over southern districts today, with a high pressure centre moving into the Bight on Friday. A cold front will approach the southwest corner of the state on Sunday.
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 1 July, 2026

    9.9 °C

  • Average July

    14.6 °C

  • Highest

    –

Climate (2021–2026)

Rottnest Island (3km)

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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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