Mary Street Lagoon Weather Forecast

    • 17
    • 21

    Rain

    • 19
    • 24

    Showers easing

    • 18
    • 22

    Showers

    • 18
    • 22

    Possible shower

    • 14
    • 22

    Partly cloudy

    • 14
    • 25

    Mostly sunny

    • 16
    • 25

    Mostly sunny

Today 28 Mar Mandurah

Cloudy. Very high chance of rain, becoming less likely in the afternoon. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds east to southeasterly 25 to 35 km/h tending southeast to southwesterly 15 to 20 km/h in the middle of the day then tending northwest to southwesterly in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southeasterly 15 to 25 knots shifting westerly 10 to 15 knots in the early afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre around midday.
1st Swell
Southwesterly below 1 metre.
Weather
Cloudy. 95% chance of rain. The chance of a thunderstorm in the late afternoon and evening.
Weather Situation
A ridge to the east and an offshore trough direct easterly winds over the local waters. Later today, the remnants of Tropical Cyclone Narelle will pass through the inland South West Land Division, freshening winds. Westerly winds prevail by Sunday, strengthening on Monday as a cold front passes over southern WA.
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Mary Street Lagoon Temperature Statistics View More

March Temperature

Mandurah (0km)

  • Lowest 1 March, 2026

    13.3 °C

  • Average March

    23.5 °C

  • Highest 4 March, 2026

    35.5 °C

Climate (2021–Present)

Mandurah (0km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    19.2 °C

  • Average High 2021–2026

    23.9 °C
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