Mary Street Lagoon Weather Forecast

    • 11
    • 22

    Clear

    • 14
    • 19

    Showers. Becoming windy

    • 11
    • 18

    Shower or two

    • 13
    • 19

    Showers

    • 11
    • 18

    Shower or two

    • 9
    • 19

    Mostly sunny

    • 9
    • 19

    Possible shower

Today 16 Aug Mandurah

Clear. Winds northeasterly 15 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1.5 to 2 metres.
Weather
Clear.
Weather Situation
A high pressure ridge over the west coast is weakening. Winds will freshen from the north early Monday before a cold front brings a westerly change in the middle of the day. A weak ridge will extend across the west coast during Tuesday before another weak cold front passes by to the south during Wednesday.
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  • Temperature Forecast Bureau of Meteorology

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Mary Street Lagoon Temperature Statistics View More

August Temperature

Mandurah (0km)

  • Lowest 11 August, 2026

    5.4 °C

  • Average August

    14 °C

  • Highest 14 August, 2026

    20.5 °C

Climate (2021–2026)

Mandurah (0km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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