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
06:40
Sunrise
18:53
Sunset
Moon
Waxing Crescent
12:41
Moonrise
20:54
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 Carpentersville.
Resources
UV Index
Humidity
Weather in Carpentersville today, September 16, 2026
Expect reduced visibility in Carpentersville on September 16, 2026 where fog patches form. Allow more time for morning journeys if the air stays thick. Expect a grey start, with morning cloud around 100% by 07:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 24°C and cools toward 17°C. Relative humidity sits between 59% and 86%, reaching its peak around 19:00. Expect gentle winds, highest near 07:00 at 3.7 km/h.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 16.0 km, though it can fall to 15.0 km. The sun rises at 06:40 and sets at 18:53, for a total of 12 hours 13 minutes of sunlight today.
Taken together, murky spells in Carpentersville on September 16, 2026 favour slower morning movement before any clearer air arrives.
Frequently asked questions about weather in Carpentersville
How warm does it get in Carpentersville?
The warmest month in Carpentersville 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 Carpentersville?
The coldest month in Carpentersville is January, with average low temperatures of -7°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Carpentersville?
The wettest month in Carpentersville is May, with an average of 130mm of precipitation.
What is the driest time of year in Carpentersville?
The driest month in Carpentersville is February, with an average of 50mm of precipitation.
Explore more weather forecasts
- Algonquin, Illinois
- New York City, New York
- Lake in the Hills, Illinois
- Los Angeles, California
- Elgin, Illinois
- Brooklyn, New York
- Cary, Illinois
- Chicago, Illinois
- Barrington, Illinois
- Houston, Texas
- Streamwood, Illinois
- Queens, New York
- Crystal Lake, Illinois
- Phoenix, Arizona
- South Elgin, Illinois
- Philadelphia, Pennsylvania
