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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Port Augusta’s current conditions, then scan the details below to plan your day or week. The town’s semi-arid climate means big temperature swings, so you’ll want to know when the sea breeze kicks in or when a heatwave builds.
What’s the typical weather pattern for Port Augusta?
Port Augusta sits at the head of Spencer Gulf, where a dry inland air mass meets a cooling afternoon sea breeze called the “Gulf doctor.” Summers are hot and mostly dry, with January averages around 33°C; winters are mild, with July averages near 15°C. Rain is sparse—about 260 millimetres a year—and falls mainly from May to August.
How reliable are the 10-day and 14-day outlooks here?
Forecast confidence is good for the first three or four days, then drops as systems move from the Nullarbor. For port augusta weather 14 days or weather in port augusta 10 days, treat those outer days as a trend, not a guarantee. For the most reliable view, check the 10-day forecast on Coast Brief and cross-reference with the live radar.
What time does the sea breeze arrive in Port Augusta?
The “Gulf doctor” usually arrives between 11 am and 2 pm on summer days, dropping temperatures by 5–10°C. Check port augusta weather tomorrow for the timing — it makes a huge difference for outdoor plans.
Where can I see the current radar for Port Augusta?
The Bureau’s Adelaide radar (Bucket Hill) covers the region, but Port Augusta lies near its northern edge. For finer detail, use port augusta weather radar pages on Weatherzone or WillyWeather — they overlay composite data from multiple sites.
How does Port Augusta compare to Port Pirie’s weather?
Port Pirie, about 90 km south, is slightly milder in summer because it’s closer to the open gulf. Both share the same sea-breeze pattern, but port pirie weather tends to be a degree or two cooler in the afternoon. Winter differences are minimal.
Sources
For broader conditions across the state, visit the Adelaide weather page or the main Australia weather hub. Previous port augusta weather observations and last night’s port augusta weather yesterday can be found on the BOM site linked above. Use the Coast Brief 10-day forecast to track the next week.