Port Augusta Weather Forecast
- 9
- 18
Shower or two
- 6
- 18
Shower or two
- 9
- 16
Showers. Windy
- 6
- 15
Cloudy
- 4
- 16
Cloudy
- 5
- 19
Partly cloudy
- 6
- 21
Sunny
Today 27 Aug Flinders
Partly cloudy. High chance of showers near the coast, medium chance elsewhere. Winds westerly 25 to 40 km/h. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching between 13 and 18.
Spencer Gulf Coastal Waters
- Wind
- Northwesterly 15 to 20 knots tending westerly before dawn. Winds reaching up to 30 knots south of Cowell to Wallaroo early in the morning and again in the late evening.
- Seas
- 2 to 3 metres.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo during the afternoon.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A complex low pressure system south of WA will move slowly over waters south of SA this week, whilst extending a series of vigorous cold fronts and troughs over SA coastal waters. A high pressure system will extend a ridge over western waters on Friday.
Port Augusta Temperature Statistics View More
August Temperature
Port Augusta Airport (4km)
Lowest 2 August, 2025
2.5 °CAverage August
13.5 °CHighest 25 August, 2025
26.8 °C
Climate (2020–Present)
Port Augusta Airport (4km)
Average Low 2020–2025
12.3 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
26.2 °C