Port Augusta Harbor Weather Forecast

    • 14
    • 25

    Sunny

    • 12
    • 28

    Sunny

    • 16
    • 31

    Partly cloudy

    • 16
    • 26

    Mostly sunny

    • 13
    • 30

    Mostly sunny

    • 18
    • 29

    Sunny

    • 14
    • 27

    Sunny

Today 17 Apr Flinders

Sunny. Light winds becoming south to southwesterly 15 to 25 km/h in the morning then tending south to southeasterly in the evening. Daytime maximum temperatures 23 to 29.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo during the afternoon and evening. Winds tending east to southeasterly in the late afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo during the afternoon.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A high pressure system south of the Bight extends a ridge over SA. The high will move east during today and Saturday ahead of a weakening trough that is expected to brush the west and south on the weekend. The high is forecast to be over the Tasman Sea by Monday, extending a ridge over South Australia through until Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Augusta Harbor Temperature Statistics View More

April Temperature

Port Augusta Airport (4km)

  • Lowest 16 April, 2026

    8.7 °C

  • Average April

    19.7 °C

  • Highest 6 April, 2026

    34.3 °C

Climate (2021–Present)

Port Augusta Airport (4km)

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  • Average Low 2021–2026

    12.5 °C

  • Average 2021–2026

    18.9 °C

  • Average High 2021–2026

    26.2 °C
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