Port Augusta Harbor Weather Forecast
- 10
- 19
Partly cloudy
- 6
- 21
Mostly sunny
- 6
- 24
Sunny
- 9
- 28
Mostly sunny
- 14
- 30
Partly cloudy
- 13
- 26
Partly cloudy
- 11
- 21
Possible shower
Today 9 Sep Flinders
Partly cloudy. Winds southeasterly 25 to 40 km/h. Daytime maximum temperatures between 14 and 19.
Spencer Gulf Coastal Waters
- Wind
- Southeasterly 15 to 25 knots.
- Seas
- 1.5 to 2.5 metres.
- 1st Swell
- South to southwesterly 1 to 2 metres, increasing to 2 to 3 metres around midday.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system centred south of WA extends a ridge across the south of SA. The main high centre will move eastwards during the week to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary for most of the week and may extend into the far west of SA at times. Another low pressure trough will approach from the west on Saturday.
Port Augusta Harbor Temperature Statistics View More
September Temperature
Port Augusta Airport (4km)
Lowest 6 September, 2026
4.4 °CAverage September
15 °CHighest 4 September, 2026
22.7 °C
Climate (2021–2026)
Port Augusta Airport (4km)
Average Low 2021–2026
12.6 °CAverage 2021–2026
19 °CAverage High 2021–2026
26.2 °C