Stephenston Weather Forecast

    • 7
    • 15

    Shower

    • 7
    • 16

    Cloudy

    • 5
    • 16

    Partly cloudy

    • 3
    • 16

    Sunny

    • 2
    • 17

    Sunny

    • 3
    • 18

    Sunny

    • 5
    • 18

    Sunny

Today 13 Jul Flinders

Cloudy. Medium chance of showers west of the ranges, slight chance elsewhere. Winds westerly 20 to 30 km/h. Overnight temperatures falling to around 7 with daytime temperatures reaching between 12 and 17.

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Stephenston Temperature Statistics View More

July Temperature

Port Augusta Airport (48km)

  • Lowest 6 July, 2026

    1 °C

  • Average July

    11.7 °C

  • Highest 7 July, 2026

    20 °C

Climate (2021–2026)

Port Augusta Airport (48km)

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  • Average Low 2021–2026

    12.6 °C

  • Average 2021–2026

    19 °C

  • Average High 2021–2026

    26.2 °C
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