See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:38
Sunrise
18:51
Sunset
Moon
Waxing Crescent
12:36
Moonrise
20:53
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Riverdale.
Resources
UV Index
Humidity
Weather in Riverdale today, September 16, 2026
Riverdale stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The first half of the day looks overcast, as cloud amounts reach about 100% around 04:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 14°C up to 23°C. Moisture in the air spans 63%-95%, with the highest values around 04:00. Winds stay light, near 5.9 km/h by 23:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 13.5 km on average, though it can drop toward 3.1 km in thicker cloud or showers. Daylight runs from 06:38 to 18:51, lasting 12 hours 12 minutes of sunlight today.
In short, cloud leads the story in Riverdale on September 16, 2026; expect limited sun and a peak around 23°C.
Frequently asked questions about weather in Riverdale
How warm does it get in Riverdale?
The warmest month in Riverdale is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.
How cold does it get in Riverdale?
The coldest month in Riverdale is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Riverdale?
The wettest month in Riverdale is May, with an average of 123mm of precipitation.
What is the driest time of year in Riverdale?
The driest month in Riverdale is February, with an average of 61mm of precipitation.
Explore more weather forecasts
- Dolton, Illinois
- New York City, New York
- Harvey, Illinois
- Los Angeles, California
- South Holland, Illinois
- Brooklyn, New York
- Blue Island, Illinois
- Chicago, Illinois
- Markham, Illinois
- Houston, Texas
- Midlothian, Illinois
- Queens, New York
- Hazel Crest, Illinois
- Phoenix, Arizona
- Calumet City, Illinois
- Philadelphia, Pennsylvania