Salmon Bay Weather Forecast

    • 15
    • 19

    Rain

    • 12
    • 17

    Showers easing. Windy

    • 11
    • 19

    Wind easing. Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 14
    • 20

    Sunny

    • 15
    • 20

    Shower or two

    • 12
    • 17

    Possible shower

Today 26 Aug Lower West

Partly cloudy. Very high chance of rain, most likely in the afternoon and evening. The chance of a thunderstorm in the morning and afternoon, possibly severe with heavy rain which may lead to flash flooding in the south in the morning and early afternoon. Winds north to northwesterly 15 to 20 km/h tending west to northwesterly 20 to 30 km/h in the middle of the day then tending southeast to southwesterly 15 to 20 km/h in the late evening. Daytime maximum temperatures between 17 and 22.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northwesterly 15 to 20 knots shifting southerly in the afternoon.
Seas
Around 1 metre.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning and afternoon.
Weather Situation
Northwesterly winds this afternoon ahead of a slow-moving cold front approaching the southwest of the State. The front will pass through the local waters later on Wednesday, with a new ridge strengthening across the west coast on Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Salmon Bay Temperature Statistics View More

August Temperature

Rottnest Island (1km)

  • Lowest 9 August, 2026

    7.4 °C

  • Average August

    15.5 °C

  • Highest 16 August, 2026

    23.2 °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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