Postans Weather Forecast

    • 9
    • 20

    Sunny day. Late showers

    • 12
    • 16

    Shower or two

    • 8
    • 17

    Sunny

    • 9
    • 19

    Mostly sunny

    • 12
    • 18

    Showers

    • 13
    • 17

    Showers

    • 10
    • 18

    Showers

Today 31 Jul Perth

Mostly sunny. Patches of frost about the hills early this morning. Patchy fog early this morning. High chance of showers about the southern suburbs, medium chance elsewhere. Light winds becoming west to northwesterly 15 to 20 km/h in the early afternoon then tending west to southwesterly in the late evening.

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Postans Temperature Statistics View More

July Temperature

Garden Island (12km)

  • Lowest 8 July, 2026

    7 °C

  • Average July

    14.6 °C

  • Highest 15 July, 2026

    22.8 °C

Climate (2021–2026)

Garden Island (12km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    23.3 °C
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