Swan River - Stirling Bridge Weather Forecast

    • 15
    • 23

    Showers increasing

    • 14
    • 19

    Showers easing. Wind easing

    • 14
    • 20

    Possible shower

    • 13
    • 22

    Sunny

    • 13
    • 20

    Possible shower

    • 13
    • 20

    Mostly sunny

    • 12
    • 20

    Mostly sunny

Today 18 Sep Perth

Partly cloudy. The chance of morning fog. High chance of showers, most likely in the afternoon and evening. Light winds becoming northwest to northeasterly 15 to 25 km/h in the morning then tending west to northwesterly 25 to 35 km/h in the early afternoon.

Perth Local Waters

Two Rocks to Dawesville, inshore from Rottnest Island
Wind
Northerly 10 to 15 knots turning west to northwesterly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
West to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm in the evening.
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  • Temperature Forecast Bureau of Meteorology

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Swan River - Stirling Bridge Temperature Statistics View More

September Temperature

Swanbourne (9km)

  • Lowest 1 September, 2026

    9.6 °C

  • Average September

    17 °C

  • Highest 16 September, 2026

    30.7 °C

Climate (2021–2026)

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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