See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Overcast
Feels Like: 21°
Min: 15°
Max: 19°
The next few hours will be mostly clear, with today reaching 19°C and dropping to 14°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
06:44
Sunrise
18:43
Sunset
Moon
Waxing Gibbous
12:53
Moonrise
03:10
Moonset
Daily Forecast
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Colonia del Sacramento.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Colonia del Sacramento.
View stargazing scoreWeather in Colonia del Sacramento today, September 20, 2026
Colonia del Sacramento starts September 20, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.
Temperatures climb from an overnight low near 15°C toward a daytime high of about 19°C. Relative humidity sits between 76% and 96%, reaching its peak around 21:00. A lighter breeze peaks around 18:00 near 4.3 km/h.
Expect the wet theme to continue later, as rain odds reach 96% near 16:00. Cloud amounts hold near 97% around 15:00. Expect visibility near 12.1 km, with poorer spells close to 2.9 km. The sun rises at 06:44 and sets at 18:43, for a total of 11 hours 58 minutes of sunlight today.
Taken together, Colonia del Sacramento looks wet enough on September 20, 2026 that flexible outdoor plans work best, with temperatures peaking near 19°C.
Frequently asked questions about weather in Colonia del Sacramento
How warm does it get in Colonia del Sacramento?
The warmest month in Colonia del Sacramento is January, with average high temperatures of 28°C. The average temperature during this period is around 24°C.
How cold does it get in Colonia del Sacramento?
The coldest month in Colonia del Sacramento is July, with average low temperatures of 9°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Colonia del Sacramento?
The wettest month in Colonia del Sacramento is March, with an average of 116mm of precipitation.
What is the driest time of year in Colonia del Sacramento?
The driest month in Colonia del Sacramento is June, with an average of 43mm of precipitation.