Swan River - Pier 21 Marina Weather Forecast

    • 12
    • 18

    Showers then mostly sunny

    • 8
    • 18

    Sunny

    • 10
    • 19

    Showers

    • 7
    • 17

    Possible shower

    • 9
    • 19

    Showers. Becoming windy

    • 9
    • 16

    Showers easing. Windy

    • 11
    • 17

    Showers

Today 16 Jul Perth

High chance of showers in the morning. Mostly sunny afternoon. Winds northwest to southwesterly 15 to 20 km/h tending southerly in the morning then becoming light in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southwesterly 15 to 20 knots tending southerly in the morning then becoming southeasterly about 10 knots in the late evening.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Southwesterly 2.5 to 3 metres, increasing to 2.5 to 4 metres during the afternoon.
Weather
Partly cloudy. 80% chance of showers.
Weather Situation
A weak cold front moves through this morning, followed by a new ridge developing in it's wake tonight. A second weak cold front sweeps through on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Pier 21 Marina Temperature Statistics View More

July Temperature

Swanbourne (8km)

  • Lowest 11 July, 2025

    4.9 °C

  • Average July

    13.9 °C

  • Highest 6 July, 2025

    21.5 °C

Climate (2020–Present)

Swanbourne (8km)

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  • Average Low 2020–2025

    14.6 °C

  • Average 2020–2025

    18.9 °C

  • Average High 2020–2025

    24.3 °C
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