Porto Alegre Weather
Brazil · Thursday, March 12, 2026
Real-time Air Quality Index (AQI)
Porto Alegre Weather & Air Quality Overview
Porto Alegre is a city in Brazil, located in the Southern Hemisphere at coordinates 30.03°S, 51.23°W. With a population of approximately 4.3 million, it is one of the notable urban centers in Americas. Porto Alegre experiences a subtropical climate. This page provides real-time temperature, humidity, wind speed, UV index, air quality monitoring, and a detailed 10-day weather forecast for Porto Alegre, Brazil.
Right now in Porto Alegre, the temperature is 22°C (feels like 26°C) with slight rain showers. Humidity is at 86%. Winds are blowing at 0 km/h. Today's high is expected to reach 26°C and the low will be around 21°C.
The current Air Quality Index (AQI) in Porto Alegre is 6, rated as Good. The dominant pollutant is O3.
- Today's high in Porto Alegre: 26°C
- Humidity in Porto Alegre: 86%
- Current AQI in Porto Alegre: 6 (Good)
- Wind in Porto Alegre: 0 km/h
Weather in Porto Alegre and the Porto Alegre forecast are updated every few minutes. For more cities, see our weather directory and global AQI map, or check city AQI rankings and weather guides.
Data updates every few minutes. Weather powered by Open-Meteo. Air quality from multiple monitoring networks.