See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
25°
Light Rain and Humid
Feels Like: 26°
Min: 24°
Max: 29°
The next few hours will be humid and partly cloudy, with tomorrow reaching 30°C and dropping to 24°C. The coming days will be light rain throughout the day and possible thunderstorms from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:47
Sunrise
17:51
Sunset
Moon
Waxing Crescent
09:54
Moonrise
21:25
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in Rosario tomorrow, September 17, 2026
Rain features in Rosario on September 17, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 88% around 09:00. Cloud cover is also at its densest near 00:00 at roughly 94%.
The temperature range runs from about 23°C up to 30°C. Relative humidity sits between 82% and 100%, reaching its peak around 00:00. A lighter breeze peaks around 14:00 near 1.9 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 100% around 12:00. Cloud also stays substantial, close to 93% near 17:00. Visibility holds near 13.7 km, though it can fall to 3.4 km. Expect sunrise at 05:47, sunset at 17:50, and 12 hours 2 minutes of sunlight today overall.
The practical takeaway for Rosario on September 17, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 30°C.
Frequently asked questions about weather in Rosario
How warm does it get in Rosario?
The warmest month in Rosario is May, with average high temperatures of 33°C. The average temperature during this period is around 29°C.
How cold does it get in Rosario?
The coldest month in Rosario is February, with average low temperatures of 24°C. The average temperature during this period is around 26°C.
What is the wettest time of year in Rosario?
The wettest month in Rosario is July, with an average of 347mm of precipitation.
What is the driest time of year in Rosario?
The driest month in Rosario is April, with an average of 49mm of precipitation.
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