Stephenston Weather Forecast

    • 13
    • 33

    Sunny

    • 18
    • 38

    Sunny

    • 20
    • 40

    Partly cloudy

    • 26
    • 40

    Partly cloudy

    • 21
    • 36

    Partly cloudy

    • 18
    • 30

    Shower

    • 13
    • 28

    Partly cloudy

Today 16 Dec Flinders

Sunny. Winds southeasterly 20 to 30 km/h turning easterly 15 to 25 km/h in the late morning and afternoon. Overnight temperatures falling to between 10 and 17 with daytime temperatures reaching 29 to 34.

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Stephenston Temperature Statistics View More

December Temperature

Port Augusta Airport (48km)

  • Lowest 2 December, 2025

    12.1 °C

  • Average December

    24.7 °C

  • Highest 12 December, 2025

    42.3 °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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