Port Augusta Harbor Weather Forecast

    • 16
    • 27

    Windy. Clear

    • 15
    • 28

    Becoming windy. Sunny

    • 15
    • 34

    Sunny

    • 18
    • 39

    Sunny

    • 21
    • 42

    Mostly sunny

    • 25
    • 39

    Partly cloudy

    • 21
    • 35

    Mostly sunny

Today 14 Dec Flinders

Clear. Winds southerly 25 to 40 km/h.

Spencer Gulf Coastal Waters

Wind
Southerly 15 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A high pressure system in the Bight, maintains a ridge over SA as it slowly moves eastwards and out to the Tasman Sea by Wednesday. A trough of low pressure forecast to drift into the far northeast of SA late Wednesday, slowing moving south during Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Augusta Harbor Temperature Statistics View More

December Temperature

Port Augusta Airport (4km)

  • Lowest 2 December, 2025

    12.1 °C

  • Average December

    25.5 °C

  • Highest 12 December, 2025

    42.3 °C

Climate (2020–Present)

Port Augusta Airport (4km)

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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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