Porto Alegre sits at the northern end of a large lagoon in far southern Brazil, one of the country’s more temperate cities, where rainfall is spread fairly evenly through the year rather than concentrated in a single wet season. INMET’s national radar network covers this southern Brazilian lagoon district.
Learn more: How Does Rain Radar Work? · Open the full Rain Map
Frequently Asked Questions
Is it raining in Porto Alegre right now?
The live radar map above shows precipitation over Porto Alegre, Rio Grande do Sul in real time. Blue shades indicate light rain, while yellow, orange, and red mark heavier downpours. If no colored echoes appear over Porto Alegre, no significant rain is currently being detected.
How often does the Porto Alegre rain radar update?
The radar refreshes continuously, typically every few minutes, so the map reflects current conditions rather than an hours-old forecast. Press play to animate the most recent frames.
Can I see if a storm is heading toward Porto Alegre?
Yes. Press play on the radar to animate the last few hours of rainfall and watch which way rain cells over Rio Grande do Sul are moving – the clearest way to judge whether a shower will reach Porto Alegre or pass by.
Is this Porto Alegre rain radar free to use?
Yes, completely free – no account, app download, or sign-up required. It works in any browser on desktop and mobile.