Stephenston Weather Forecast

    • 16
    • 37

    Sunny

    • 21
    • 37

    Partly cloudy

    • 21
    • 36

    Partly cloudy

    • 22
    • 39

    Partly cloudy

    • 20
    • 31

    Partly cloudy

    • 13
    • 30

    Sunny

    • 13
    • 31

    Sunny

Today 9 Dec Flinders

Sunny. Winds south to southeasterly 15 to 25 km/h tending northeast to southeasterly 20 to 30 km/h in the morning then tending south to southeasterly in the late evening. Overnight temperatures falling to between 14 and 20 with daytime temperatures reaching the mid to high 30s.

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  • Temperature Forecast Bureau of Meteorology

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Stephenston Temperature Statistics View More

December Temperature

Port Augusta Airport (48km)

  • Lowest 2 December, 2025

    12.1 °C

  • Average December

    22.8 °C

  • Highest 4 December, 2025

    40.2 °C

Climate (2020–Present)

Port Augusta Airport (48km)

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  • Average Low 2020–2025

    12.4 °C

  • Average 2020–2025

    18.8 °C

  • Average High 2020–2025

    26.1 °C
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