Mersey Point Weather Forecast

    • 8
    • 18

    Sunny

    • 10
    • 19

    Mostly sunny

    • 13
    • 18

    Rain. Wind easing

    • 11
    • 16

    Showers. Windy

    • 12
    • 17

    Showers

    • 12
    • 16

    Shower or two

    • 10
    • 15

    Shower or two

Today 31 Jul Perth

Sunny. The chance of fog about the hills early this morning. Light winds becoming north to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
North to northeasterly 10 to 15 knots decreasing to about 10 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southwesterly 1.5 to 2.5 metres.
Weather
Sunny.
Weather Situation
A high pressure ridge extends over the local waters and will remain in place during the next couple of days. Northerly winds will freshen on Friday ahead of a relatively strong cold front which will bring a sharp westerly change on Saturday. A second cold front will reach the area on Sunday with a strong west to southwesterly flow persisting.
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  • Temperature Forecast Bureau of Meteorology

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Mersey Point Temperature Statistics View More

July Temperature

Garden Island (7km)

  • Lowest 21 July, 2025

    5.7 °C

  • Average July

    13.9 °C

  • Highest 1 July, 2025

    21.3 °C

Climate (2020–Present)

Garden Island (7km)

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  • Average Low 2020–2025

    15.2 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    23.4 °C
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