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
06:43
Sunrise
18:57
Sunset
Moon
Waxing Crescent
12:45
Moonrise
20:57
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 Rockford.
Resources
UV Index
Humidity
Weather in Rockford today, September 16, 2026
Rockford 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 09:00. Brighter weather, if it comes, waits until later.
The day peaks near 22°C and cools toward 16°C. Expect humidity between 69% and 87%, most humid near 19:00. Airflow remains manageable, reaching about 3.5 km/h around 09:00.
Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.7 km, briefly nearer 9.9 km. Daylight runs from 06:43 to 18:57, lasting 12 hours 13 minutes of sunlight today.
Overall, Rockford on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 22°C.
Frequently asked questions about weather in Rockford
How warm does it get in Rockford?
The warmest month in Rockford is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Rockford?
The coldest month in Rockford is January, with average low temperatures of -8°C. The average temperature during this period is around -5°C.
What is the wettest time of year in Rockford?
The wettest month in Rockford is May, with an average of 123mm of precipitation.
What is the driest time of year in Rockford?
The driest month in Rockford is February, with an average of 45mm of precipitation.
Explore more weather forecasts
- Loves Park, Illinois
- New York City, New York
- Machesney Park, Illinois
- Los Angeles, California
- Roscoe, Illinois
- Brooklyn, New York
- Belvidere, Illinois
- Chicago, Illinois
- Freeport, Illinois
- Houston, Texas
- Sycamore, Illinois
- Queens, New York
- DeKalb, Illinois
- Phoenix, Arizona
- Woodstock, Illinois
- Philadelphia, Pennsylvania