Postans Weather Forecast

    • 8
    • 16

    Mostly sunny

    • 12
    • 18

    Showers increasing. Windy

    • 8
    • 15

    Showers easing

    • 9
    • 16

    Showers

    • 12
    • 17

    Showers

    • 9
    • 15

    Shower or two

    • 9
    • 16

    Partly cloudy

Today 19 Jul Perth

Mostly sunny day. The chance of fog and frost about the hills early this morning. Slight chance of a shower late this afternoon and evening. Light winds.

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Postans Temperature Statistics View More

July Temperature

Garden Island (12km)

  • Lowest 17 July, 2025

    8.5 °C

  • Average July

    15.1 °C

  • Highest 1 July, 2025

    21.3 °C

Climate (2020–Present)

Garden Island (12km)

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  • Average Low 2020–2025

    15.2 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    23.4 °C
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