Mangles Bay Weather Forecast

    • 16
    • 22

    Showers

    • 15
    • 19

    Showers easing. Wind easing

    • 15
    • 20

    Shower or two

    • 13
    • 20

    Sunny

    • 13
    • 20

    Partly cloudy

    • 12
    • 20

    Mostly sunny

    • 13
    • 19

    Shower or two

Today 18 Sep Perth

Cloudy. High chance of showers. Winds northwesterly 20 to 30 km/h increasing to 25 to 35 km/h in the late evening.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northwesterly 20 to 25 knots, reaching up to 30 knots in the late evening.
Seas
1.5 metres.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Cloudy. 80% chance of showers.
Weather Situation
A cold front is passing over the local waters this evening, followed by a couple more weak fronts brushing past the south coast on the weekend. A new ridge will form along the southwest coast on Sunday before weakening on Monday. A trough developing inland will move east along the south coast on Tuesday ahead of the next cold front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mangles Bay Temperature Statistics View More

September Temperature

Garden Island (4km)

  • Lowest 1 September, 2026

    10.2 °C

  • Average September

    16.8 °C

  • Highest 16 September, 2026

    29.3 °C

Climate (2021–2026)

Garden Island (4km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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