Port Augusta Harbor Weather Forecast

    • 25
    • 43

    Partly cloudy

    • 20
    • 30

    Becoming windy. Partly cloudy

    • 16
    • 27

    Becoming windy. Mostly sunny

    • 14
    • 27

    Becoming windy. Sunny

    • 15
    • 32

    Sunny

    • 17
    • 37

    Sunny

    • 20
    • 41

    Sunny

Today 12 Dec Flinders

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm in the afternoon and evening. Winds easterly 25 to 40 km/h turning north to northeasterly 25 to 35 km/h during the morning then tending northeast to southeasterly in the evening. Overnight temperatures falling to between 18 and 27 with daytime temperatures reaching 37 to 42.

Spencer Gulf Coastal Waters

Wind
East to southeasterly 10 to 15 knots becoming variable about 10 knots in the early morning then becoming southerly 15 to 25 knots in the middle of the day. Winds reaching up to 30 knots north of Cowell to Wallaroo in the evening.
Seas
Below 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Partly cloudy.
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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

    24.9 °C

  • Highest 4 December, 2025

    40.2 °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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