Port Augusta Harbor Weather Forecast

    • 12
    • 27

    Mostly sunny

    • 15
    • 35

    Mostly sunny

    • 21
    • 41

    Sunny

    • 18
    • 36

    Partly cloudy

    • 19
    • 28

    Shower or two. Becoming windy

    • 14
    • 29

    Sunny

    • 15
    • 36

    Sunny

Today 2 Dec Flinders

Sunny. Winds southeast to southwesterly 15 to 25 km/h tending west to southwesterly 15 to 20 km/h in the middle of the day then tending southeast to southwesterly in the evening. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching the mid to high 20s.

Spencer Gulf Coastal Waters

Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo early in the morning. Winds becoming variable about 10 knots in the early morning then becoming southeast to southwesterly 10 to 15 knots in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning.
1st Swell
South to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Cloud clearing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Augusta Harbor Temperature Statistics View More

December Temperature

Port Augusta Airport (4km)

  • Lowest 1 December, 2025

    14.2 °C

  • Average December

    17 °C

  • Highest

    –

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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