Port Augusta Harbor Weather Forecast
- 12
- 28
Sunny
- 16
- 31
Partly cloudy
- 15
- 26
Mostly sunny
- 12
- 31
Mostly sunny
- 18
- 29
Sunny
- 15
- 31
Sunny
- 16
- 31
Mostly sunny
Today 18 Apr Flinders
Sunny. Winds east to northeasterly 15 to 25 km/h becoming light in the middle of the day then becoming east to northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures 22 to 28.
Spencer Gulf Coastal Waters
- Wind
- East to northeasterly 10 to 15 knots tending north to northeasterly during the day. Winds reaching up to 20 knots south of Port Neill to Port Victoria in the evening.
- Seas
- Around 1 metre.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
- Weather
- Sunny.
- Weather Situation
- A high pressure system south of the Bight extends a ridge over SA. The high will slowly move east over the weekend ahead of a cold front which will slip to the south of SA and weaken. The high will remain near stationary in the southern Tasman Sea, maintaining a ridge across the state early next week.
Port Augusta Harbor Temperature Statistics View More
April Temperature
Port Augusta Airport (4km)
Lowest 16 April, 2026
8.7 °CAverage April
19.8 °CHighest 6 April, 2026
34.3 °C
Climate (2021–Present)
Port Augusta Airport (4km)
Average Low 2021–2026
12.5 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
26.2 °C