Upper Swan Weather Forecast

    • 17
    • 38

    Partly cloudy

    • 23
    • 39

    Shower or two. Storm

    • 23
    • 37

    Mostly sunny

    • 18
    • 29

    Partly cloudy

    • 15
    • 29

    Cloud clearing

    • 15
    • 33

    Sunny

    • 16
    • 35

    Sunny

Today 13 Dec Perth

Mostly sunny. The chance of a thunderstorm about the northern suburbs in the afternoon and evening. Winds easterly 25 to 40 km/h decreasing to 15 to 25 km/h in the evening.

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Upper Swan Temperature Statistics View More

December Temperature

Pearce RAAF Base (11km)

  • Lowest 7 December, 2025

    11.4 °C

  • Average December

    23 °C

  • Highest 1 December, 2025

    40.4 °C

Climate (2020–Present)

Pearce RAAF Base (11km)

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  • Average Low 2020–2025

    13.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    26.7 °C
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