Illinois · NWS LOT office
Carpentersville, IL weather
It is 52°F and cloudy at Chicago / West Chicago, Dupage Airport as of Oct 28, 7:00 AM CDT. Today: Sunny, high near 72°F, 1% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 3:35 AM CDT.
Current conditions
Temperature
52°F
Cloudy
Wind
Calm
Humidity 87% · dew point 48°F
Pressure · visibility
30.21 inHg
Visibility 10 mi
Observed at Chicago / West Chicago, Dupage Airport (KDPA), Oct 28, 7:00 AM CDT. Station readings can lag or be missing.
Alerts for this area
No active NWS alerts cover the Carpentersville forecast zone right now.
Around the NWS LOT forecast area
No active alerts in zones served by the LOT office near Carpentersville.
From the alert snapshot of Oct 28, 2026, 8:14 AM EDT. No alerts are active anywhere in Illinois.
For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.
Next 24 hours
| Time | Temp | Forecast | Precip. chance | Wind |
|---|---|---|---|---|
| Wed 7 AM | 51°F | Sunny | 0% | 0 mph |
| Wed 8 AM | 52°F | Sunny | 0% | S 5 mph |
| Wed 9 AM | 55°F | Sunny | 0% | S 5 mph |
| Wed 10 AM | 61°F | Sunny | 0% | SSW 5 mph |
| Wed 11 AM | 65°F | Sunny | 0% | SSW 10 mph |
| Wed 12 PM | 68°F | Sunny | 0% | S 10 mph |
| Wed 1 PM | 70°F | Sunny | 0% | S 10 mph |
| Wed 2 PM | 72°F | Sunny | 0% | SSW 10 mph |
| Wed 3 PM | 72°F | Sunny | 0% | SSW 15 mph |
| Wed 4 PM | 72°F | Sunny | 0% | SSW 15 mph |
| Wed 5 PM | 70°F | Mostly Sunny | 1% | S 10 mph |
| Wed 6 PM | 67°F | Partly Cloudy | 1% | S 10 mph |
| Wed 7 PM | 64°F | Mostly Clear | 3% | S 10 mph |
| Wed 8 PM | 63°F | Mostly Clear | 3% | S 10 mph |
| Wed 9 PM | 62°F | Mostly Clear | 2% | S 10 mph |
| Wed 10 PM | 62°F | Mostly Clear | 3% | S 10 mph |
| Wed 11 PM | 61°F | Partly Cloudy | 3% | S 15 mph |
| Thu 12 AM | 61°F | Partly Cloudy | 6% | SSW 15 mph |
| Thu 1 AM | 61°F | Mostly Cloudy | 11% | SSW 15 mph |
| Thu 2 AM | 60°F | Mostly Cloudy | 9% | SSW 15 mph |
| Thu 3 AM | 60°F | Slight Chance Rain Showers | 18% | SSW 15 mph |
| Thu 4 AM | 60°F | Slight Chance Rain Showers | 21% | SSW 10 mph |
| Thu 5 AM | 59°F | Chance Rain Showers | 26% | SSW 10 mph |
| Thu 6 AM | 58°F | Chance Rain Showers | 25% | SSW 10 mph |
Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Carpentersville can differ.
Advertisement
7-day forecast
Today
High 72°F·Low 58°F
Sunny. High near 72, with temperatures falling to around 70 in the afternoon. South southwest wind 0 to 15 mph, with gusts as high as 25 mph.
Tonight: A chance of rain showers after 3am. Partly cloudy, with a low around 58. South southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Thursday
High 69°F·Low 42°F
A chance of rain showers before 8am. Partly sunny. High near 69, with temperatures falling to around 65 in the afternoon. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night: Mostly clear, with a low around 42. North wind 0 to 5 mph.
Friday
High 62°F·Low 49°F
Partly sunny, with a high near 62. East northeast wind 0 to 5 mph.
Friday Night: A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Cloudy, with a low around 49. Chance of precipitation is 30%.
Saturday
High 61°F·Low 49°F
A chance of showers and thunderstorms. Mostly cloudy, with a high near 61.
Saturday Night: A chance of rain showers. Cloudy, with a low around 49.
Sunday
High 66°F·Low 51°F
A chance of rain showers. Mostly cloudy, with a high near 66.
Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 51.
Monday
High 66°F·Low 52°F
A chance of rain showers. Mostly cloudy, with a high near 66.
Monday Night: A chance of rain showers. Mostly cloudy, with a low around 52.
Tuesday
High 65°F·Low 48°F
Rain showers likely. Mostly cloudy, with a high near 65.
Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 48.
Nearby cities
- Algonquin, IL 3 mi
- Lake in the Hills, IL 4 mi
- Elgin, IL 6 mi
- Huntley, IL 8 mi
- Crystal Lake, IL 8 mi
- Hoffman Estates, IL 9 mi
- South Elgin, IL 9 mi
- Streamwood, IL 9 mi
Larger cities in the area
- Aurora, IL 25 mi · pop. 180,710
- Chicago, IL 37 mi · pop. 2,721,308
- Milwaukee, WI 67 mi · pop. 563,531
- Madison, WI 88 mi · pop. 285,300
Other cities in Kane County
See every city we cover in Illinois, or check all active alerts.
Advertisement
About this forecast
- Forecast office
- Carpentersville is served by the National Weather Service LOT forecast office, forecast zone ILZ012, county zone ILC089.
- Location used
- The Census Bureau's internal point for Carpentersville (42.1227, -88.2939), in Kane County. Population: 37,144 (2024 estimate), number 49 of the 121 Illinois cities on this site.
- Radar
- Nearest NWS radar: KLOT. View it on radar.weather.gov.
On Amazon
Weather-ready picks
As an Amazon Associate I earn from qualifying purchases.
Sources
- Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/42.1227,-88.2939 (forecast issued Oct 28, 3:35 AM CDT).
- Official forecast page: forecast.weather.gov.
- City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
- Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.
More Illinois cities
Advertisement