Port Augusta Harbor Weather Forecast
- 17
- 24
Rain. Storm clearing
- 11
- 25
Mostly sunny
- 14
- 32
Showers. Possible storm
- 16
- 21
Possible morning storm. Showers
- 9
- 18
Partly cloudy
- 7
- 19
Partly cloudy
- 9
- 21
Partly cloudy
Today 9 Oct Flinders
Cloudy. Very high chance of rain, becoming less likely at night. The chance of a thunderstorm from the late morning, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds north to northwesterly 20 to 30 km/h turning westerly 15 to 25 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.
Spencer Gulf Coastal Waters
- Wind
- Northerly 15 to 25 knots, reaching up to 30 knots near the Yorke Peninsula coast in the late morning and early afternoon. Winds turning westerly in the early afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres south of Cowell to Wallaroo.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Cloudy. 80% chance of showers. The chance of a thunderstorm in the late morning and afternoon with possible squalls.
- Weather Situation
- A trough and cold front over western SA will track eastwards across the rest of SA on Friday before a weak high briefly establishes in the north on Saturday. Another series of troughs and cold fronts are expected to enter western SA early on Sunday, crossing the state then clearing in the east by the end of Monday.
Port Augusta Harbor Temperature Statistics View More
October Temperature
Port Augusta Airport (4 km)
Lowest 6 October, 2026
7.8 °CAverage October
17.6 °CHighest 7 October, 2026
28.9 °C
Climate (2021–2026)
Port Augusta Airport (4 km)
Average Low 2021–2026
12.6 °CAverage 2021–2026
19 °CAverage High 2021–2026
26.2 °C