Port Augusta Harbor Weather Forecast

    • 15
    • 27

    Becoming windy. Sunny

    • 15
    • 34

    Sunny

    • 19
    • 39

    Sunny

    • 21
    • 42

    Mostly sunny

    • 26
    • 40

    Partly cloudy

    • 21
    • 35

    Partly cloudy

    • 21
    • 34

    Partly cloudy

Today 15 Dec Flinders

Sunny. Winds southeasterly 25 to 35 km/h. Daytime maximum temperatures 25 to 31.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 15 to 20 knots, reaching up to 30 knots north of Cowell to Wallaroo in the evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Cloud clearing.
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

    25.1 °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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