Rocky Bay Weather Forecast

    • 11
    • 17

    Shower or two. Becoming windy

    • 12
    • 17

    Showers easing. Windy

    • 13
    • 18

    Shower or two

    • 15
    • 19

    Showers easing

    • 13
    • 17

    Possible shower

    • 13
    • 18

    Shower or two

    • 12
    • 17

    Showers

Today 13 Jul Lower West

Partly cloudy. Medium chance of showers, most likely in the afternoon and evening. Light winds becoming west to northwesterly 15 to 25 km/h in the evening. Daytime maximum temperatures between 14 and 17.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Variable about 10 knots becoming westerly 10 to 15 knots in the late evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly 2 to 3 metres.
Weather
Partly cloudy. 70% chance of showers.
Weather Situation
A weak ridge extends over Local Waters on Sunday. A cold front moves through early Monday morning, followed by a new stronger ridge building to the north later Monday and into Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Bay Temperature Statistics View More

July Temperature

Rottnest Island (2km)

  • Lowest 8 July, 2025

    11.2 °C

  • Average July

    16.2 °C

  • Highest 6 July, 2025

    21.7 °C

Climate (2020–Present)

Rottnest Island (2km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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