Port Augusta Harbor Weather Forecast

    • 15
    • 31

    Mostly sunny

    • 15
    • 31

    Sunny

    • 13
    • 31

    Sunny

    • 13
    • 29

    Mostly sunny

    • 16
    • 30

    Partly cloudy

    • 15
    • 26

    Mostly sunny

    • 13
    • 27

    Mostly sunny

Today 21 Apr Flinders

Mostly sunny. Winds east to northeasterly 15 to 20 km/h tending north to northeasterly 15 to 25 km/h in the morning. Daytime maximum temperatures 25 to 31.

Spencer Gulf Coastal Waters

Wind
Northeasterly 10 to 15 knots turning northerly during the day. Winds reaching up to 20 knots near the Yorke Peninsula coast during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres near the Yorke Peninsula coast around midday.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Mostly sunny.
Weather Situation
A strong high pressure system east of Tasmania will maintain a ridge over SA this week. A cold front is expected to weaken and slide across western and southern coasts during today and Wednesday. A second cold front may pass over the south again on Saturday with a high pressure system to follow over waters south of the Bight on Sunday.
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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

    19.9 °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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