Rocky Bay Weather Forecast

    • 23
    • 31

    Partly cloudy

    • 24
    • 31

    Partly cloudy

    • 24
    • 29

    Mostly sunny

    • 22
    • 27

    Possible shower

    • 20
    • 26

    Becoming windy. Partly cloudy

    • 19
    • 27

    Windy. Cloud clearing

    • 20
    • 30

    Sunny

Today 22 Jan Lower West

Partly cloudy. Slight chance of shower. The chance of a thunderstorm. Winds northeast to southeasterly 15 to 20 km/h tending northwest to southwesterly 20 to 30 km/h in the morning then tending east to southeasterly 15 to 25 km/h in the evening. Daytime maximum temperatures 35 to 41.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots, reaching up to 30 knots in the afternoon. Winds turning east to southeasterly below 10 knots in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres around midday.
1st Swell
Southwesterly around 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the morning. Caution: Tides are likely to rise above the high tide mark.
Weather Situation
A ridge is located south of the Perth local Waters with a trough near the west coast. Winds may freshen later in the week as Ex-Tropical Sean approaches the far southwest of WA.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rocky Bay Temperature Statistics View More

January Temperature

Rottnest Island (2km)

  • Lowest 15 January, 2025

    16.6 °C

  • Average January

    22.7 °C

  • Highest 20 January, 2025

    39.2 °C

Climate (2020–Present)

Rottnest Island (2km)

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  • Average Low 2020–2025

    16 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    22.8 °C
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