Mary Street Lagoon Weather Forecast

    • 12
    • 19

    Partly cloudy

    • 11
    • 18

    Shower or two

    • 9
    • 17

    Partly cloudy

    • 13
    • 19

    Shower or two

    • 15
    • 18

    Showers

    • 11
    • 17

    Shower or two

    • 8
    • 19

    Partly cloudy

Today 22 Aug Mandurah

Partly cloudy. Slight chance of a shower. Winds southerly 20 to 25 km/h.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 15 to 25 knots.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 1.5 to 2 metres.
Weather
Partly cloudy.
Weather Situation
A broad trough near the west coast will move inland this afternoon. A weak cold front will cross the southwest corner of the state early on Sunday ahead of a ridge extending across the area on Sunday and Monday. Another cold front will move over the far southwest of the state on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mary Street Lagoon Temperature Statistics View More

August Temperature

Mandurah (0km)

  • Lowest 11 August, 2026

    5.4 °C

  • Average August

    14.6 °C

  • Highest 16 August, 2026

    22.3 °C

Climate (2021–2026)

Mandurah (0km)

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  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    19.1 °C

  • Average High 2021–2026

    23.8 °C
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