15-Day Weather Forecast - Porto Alegre
15-day weather forecast for Porto Alegre: temperatures from 7°C (45°F) to 27°C (81°F). Average daily high 20°C (68°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Porto Alegre's 15-day outlook ranges from a low of 7°C to a high of 27°C, with an average daytime high near 20°C. That's 2° below the long-term average high of 22°C for this time of year. It continues a recent pattern — 10 of the last 28 days with published data have run cooler than normal. Air quality is currently good (AQI 22), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 22°C.
10 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Extended Outlook for Porto Alegre
Over the next 15 days, Porto Alegre is forecast to see temperatures ranging from 6°C to 28°C, averaging a daily high of 20°C. The extended outlook indicates significant rainfall totalling 73.8 mm spread across 8 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.