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18°
Light Rain
Feels Like: 12°
Min: 15°
Max: 25°
The next few hours will be mostly clear, with tomorrow reaching 16°C and dropping to 7°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:42
Sunrise
18:41
Sunset
Moon
Waxing Gibbous
12:51
Moonrise
03:08
Moonset
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View stargazing scoreWeather in Rosario tomorrow, September 21, 2026
Rosario is set for a fine, sunny day on September 21, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning looks comparatively open, with cloud near 52% around 11:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 16°C and cools toward 11°C. Expect humidity between 41% and 98%, most humid near 00:00. Airflow remains manageable, reaching about 10.6 km/h around 15:00.
Afternoon skies stay clogged, peaking close to 63% near 15:00. The grey theme continues rather than clearing out. Visibility stays near 16.1 km. Expect sunrise at 06:41, sunset at 18:42, and 12 hours 1 minutes of sunlight today overall.
In short, September 21, 2026 looks like a fine day in Rosario for being outside, peaking around 16°C.
Frequently asked questions about weather in Rosario
How warm does it get in Rosario?
The warmest month in Rosario is January, with average high temperatures of 30°C. The average temperature during this period is around 24°C.
How cold does it get in Rosario?
The coldest month in Rosario is July, with average low temperatures of 7°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Rosario?
The wettest month in Rosario is March, with an average of 116mm of precipitation.
What is the driest time of year in Rosario?
The driest month in Rosario is June, with an average of 49mm of precipitation.
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