Upper Swan Weather Forecast

    • 11
    • 20

    Showers

    • 8
    • 19

    Cloudy

    • 8
    • 20

    Shower or two

    • 6
    • 21

    Partly cloudy

    • 5
    • 22

    Mostly sunny

    • 7
    • 23

    Shower or two

    • 8
    • 19

    Shower or two

Today 17 Aug Perth

Cloudy. Very high chance of showers, most likely in the late morning and afternoon. The chance of a thunderstorm in the southwest this morning. Winds north to northeasterly 15 to 25 km/h shifting westerly 25 to 40 km/h in the middle of the day then decreasing to 20 to 30 km/h in the evening.

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Upper Swan Temperature Statistics View More

August Temperature

Pearce RAAF Base (11km)

  • Lowest 11 August, 2026

    1.5 °C

  • Average August

    13 °C

  • Highest 3 August, 2026

    24.6 °C

Climate (2021–2026)

Pearce RAAF Base (11km)

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  • Average Low 2021–2026

    13 °C

  • Average 2021–2026

    19.2 °C

  • Average High 2021–2026

    26.7 °C
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