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
18:56
Sunset
Moon
Waxing Crescent
12:45
Moonrise
20:56
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 Roscoe.
Resources
UV Index
Humidity
Weather in Roscoe today, September 16, 2026
Cloud cover dominates in Roscoe on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The morning sky stays heavily clouded, with cover near 100% around 09:00. Grey conditions set the early tone before any later change.
Expect highs of 22°C and cooler readings close to 16°C. Relative humidity sits between 61% and 75%, reaching its peak around 18:00. Airflow remains manageable, reaching about 4.1 km/h around 09:00.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays near 16.1 km. Expect sunrise at 06:43, sunset at 18:56, and 12 hours 13 minutes of sunlight today overall.
The practical takeaway for Roscoe on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 22°C.
Frequently asked questions about weather in Roscoe
How warm does it get in Roscoe?
The warmest month in Roscoe 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 Roscoe?
The coldest month in Roscoe 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 Roscoe?
The wettest month in Roscoe is May, with an average of 116mm of precipitation.
What is the driest time of year in Roscoe?
The driest month in Roscoe is February, with an average of 43mm of precipitation.
Explore more weather forecasts
- Machesney Park, Illinois
- New York City, New York
- Loves Park, Illinois
- Los Angeles, California
- Rockford, Illinois
- Brooklyn, New York
- Belvidere, Illinois
- Chicago, Illinois
- Woodstock, Illinois
- Houston, Texas
- Freeport, Illinois
- Queens, New York
- Sycamore, Illinois
- Phoenix, Arizona
- Huntley, Illinois
- Philadelphia, Pennsylvania
