Port Augusta sits at the head of Spencer Gulf in South Australia, often called the 'Crossroads of Australia'. It has a hot desert climate with scorching summers and mild winters, and very low annual rainfall.
Check the current Port Augusta weather forecast on WeatherAU for today's conditions including temperature, rainfall chance, and wind speed.
WeatherAU's Port Augusta forecast uses a skill-weighted ensemble blend of six global models — ECMWF AIFS, HRES, NOAA GFS, DWD ICON — verified against Bureau of Meteorology observations. Forecast accuracy is highest for the first 7 days.
WeatherAU provides a free 15-day forecast for Port Augusta showing daily maximum and minimum temperatures, total rainfall, wind speed, humidity, and sky conditions. Updated multiple times per day.