Stephenston Weather Forecast

    • 9
    • 16

    Rain

    • 11
    • 16

    Shower

    • 4
    • 17

    Partly cloudy

    • 3
    • 19

    Sunny

    • 5
    • 19

    Partly cloudy

    • 7
    • 20

    Partly cloudy

    • 7
    • 20

    Sunny

Today 24 Aug Flinders

Cloudy. Very high chance of rain. The chance of a thunderstorm in the afternoon and evening. Winds northeasterly 20 to 30 km/h increasing to 35 km/h before turning northwesterly 20 to 30 km/h during the afternoon and evening. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching between 13 and 18.

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Stephenston Temperature Statistics View More

August Temperature

Port Augusta Airport (48km)

  • Lowest 1 August, 2026

    -1.1 °C

  • Average August

    12.1 °C

  • Highest 19 August, 2026

    22.8 °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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