See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Partly Cloudy
Feels Like: 22°
Min: 21°
Max: 27°
The next few hours will be partly cloudy, with today reaching 27°C and dropping to 23°C. The coming days will be drizzle 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
06:34
Sunrise
18:39
Sunset
Moon
Waxing Crescent
11:23
Moonrise
21:40
Moonset
Daily Forecast
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Weather in Río Grande today, September 16, 2026
Expect unsettled, showery conditions in Río Grande on September 16, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Wetter spells lean into the morning, when rain odds reach about 30% near 09:00. Skies look heaviest around 01:00, with cover close to 57%.
The day peaks near 27°C and cools toward 21°C. Expect humidity between 74% and 92%, most humid near 05:00. Airflow remains manageable, reaching about 4.9 km/h around 14:00.
Afternoon showers stay in play, peaking near 80% around 12:00. Skies remain cluttered, with cover about 78% by 20:00. Views remain open at about 16.1 km. Daylight runs from 06:34 to 18:39, lasting 12 hours 5 minutes of sunlight today.
Overall, Río Grande on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 80% and the high sits around 27°C.
Frequently asked questions about weather in Río Grande
How warm does it get in Río Grande?
The warmest month in Río Grande is September, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Río Grande?
The coldest month in Río Grande is January, with average low temperatures of 21°C. The average temperature during this period is around 24°C.
What is the wettest time of year in Río Grande?
The wettest month in Río Grande is November, with an average of 97mm of precipitation.
What is the driest time of year in Río Grande?
The driest month in Río Grande is June, with an average of 34mm of precipitation.