Swan River - Northbank Marina Weather Forecast

    • 21
    • 29

    Sunny

    • 18
    • 25

    Partly cloudy

    • 16
    • 27

    Sunny

    • 18
    • 31

    Sunny

    • 23
    • 37

    Sunny

    • 21
    • 30

    Sunny

    • 19
    • 29

    Cloud clearing

Today 16 Jan Perth

Sunny. Winds northeast to southeasterly 15 to 25 km/h tending northwest to northeasterly 15 to 20 km/h in the morning then tending west to southwesterly 20 to 30 km/h in the middle of the day.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Southerly 10 to 15 knots becoming variable below 10 knots in the early morning then becoming southwesterly 10 to 15 knots in the middle of the day.
Seas
Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre around midday.
1st Swell
Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
Sunny.
Weather Situation
A deep west coast trough nearby will move inland today ahead of a weak cold front brushing past the south coast tomorrow. A new ridge will develop about southwest WA from the weekend. A west coast trough will return later Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan River - Northbank Marina Temperature Statistics View More

January Temperature

Swanbourne (9km)

  • Lowest 9 January, 2026

    15.8 °C

  • Average January

    23.3 °C

  • Highest 1 January, 2026

    36.1 °C

Climate (2021–Present)

Swanbourne (9km)

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  • Average Low 2021–2026

    14.5 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    24.3 °C
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