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Waukegan, IL Weather
Current conditions, hourly and 10-day forecast from the National Weather Service. Times are local (CDT).
Waukegan, IL current weather
54°F
Clear
H -- / L 47°Feels like 54°
No rain expected in the next 12 hours
Observed at Chicago/Waukegan Regional Airport (3.8 mi away), 10/26/2026, 6:55 PM CDT
Hourly forecast
NWS, updated 3:40 PM
10-day forecast
Tap a day for details
Today10/26Low 47°High
Tonight: Partly cloudy, with a low around 47. East northeast wind 10 to 15 mph.
Partly CloudyTue10/27Low 52°High 64°
Tuesday: Partly sunny, with a high near 64. Southeast wind around 10 mph.
Tuesday Night: Mostly cloudy, with a low around 52. South wind 5 to 10 mph.
Partly SunnyWed10/2811% chance of precipitationLow 56°High 70°
Wednesday: Mostly sunny, with a high near 70. South wind 5 to 10 mph.
Wednesday Night: Partly cloudy, with a low around 56. South southwest wind around 10 mph, with gusts as high as 20 mph.
Mostly SunnyThu10/2924% chance of precipitationLow 51°High 73°
Thursday: A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 73. Chance of precipitation is 20%.
Thursday Night: Mostly cloudy, with a low around 51.
Slight Chance Rain ShowersFri10/3046% chance of precipitationLow 54°High 64°
Friday: A chance of rain showers after 7am. Partly sunny, with a high near 64.
Friday Night: A chance of rain showers before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Chance Rain ShowersSat10/3135% chance of precipitationLow 54°High 66°
Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 66.
Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 54.
Chance Showers And ThunderstormsSun11/134% chance of precipitationLow 54°High 66°
Sunday: A chance of rain showers. Mostly cloudy, with a high near 66.
Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 54.
Chance Rain ShowersMon11/245% chance of precipitationLow High 64°
Monday: A chance of rain showers. Mostly cloudy, with a high near 64.
Chance Rain ShowersTue11/3Model blend47% chance of precipitationLow 44°High 62°
Tuesday: Chance of rain. High near 62°. Low that night near 44°. About 0.47 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Wed11/4Model blend36% chance of precipitationLow 41°High 60°
Wednesday: Chance of rain. High near 60°. Low that night near 41°. About 0.04 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Forecast for 42.371, -87.850 from the NWS LOT office, updated 10/26/2026, 3:40 PM CDT · Official forecast on weather.gov
Days 9 to 10: NOAA National Blend of Models, station KUGN (Waukegan Rgnl, 4 mi), model run 10/26/2026, 3:00 PM CDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now53°Partly Cloudy3%15 mph
- 8 PM52°Partly Cloudy3%15 mph
- 9 PM51°Partly Cloudy3%15 mph
- 10 PM51°Partly Cloudy2%15 mph
- 11 PM51°Partly Cloudy2%10 mph
- 12 AM50°Partly Cloudy2%10 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
NWS hourly forecast updated 10/26/2026, 3:40 PM CDT
Radar and satellite
National radarNEXRAD (last 50 min) and GOES
Nearby hazards
Illinois hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: None reported
Drought
By countyLake County, week of 10/20/2026
No drought or abnormal dryness in this county.
Beaches nearby
EPA BEACON beaches
Frequently asked questions
- What is the weather in Waukegan, IL right now?
- The latest observation from Chicago/Waukegan Regional Airport was 54°F and clear, reported at 10/26/2026, 6:55 PM CDT.
- Will it rain in Waukegan, IL in the next 24 hours?
- The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
- What is the 10-day forecast for Waukegan, IL?
- The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 60°F to 62°F and up to a 47% chance of precipitation. Model guidance this far out often changes.
- What time is sunrise and sunset in Waukegan, IL today?
- Sunrise is about 7:17 AM CDT and sunset is about 5:52 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Waukegan, IL?
- At Waukegan, the 1991 to 2020 normal high in October is 61°F and the normal low is 43°F.
Sun and moon
Local time, center of the area
- Sunrise
- 7:17 AM
- Sunset
- 5:52 PM
- Daylight
- 10 hr 35 min
- Moon
- Full Moon 99% lit
- First light (civil dawn)
- 6:48 AM
- Last light (civil dusk)
- 6:21 PM
- Moonrise
- 5:45 PM
- Moonset
- 7:56 AM
Normal October weather
ClimateNormal October high 61°, low 43°. 1991 to 2020 normals at Waukegan, 2 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- National Blend of Models (NBM) text guidanceNOAA National Weather Service
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NDBC Latest ObservationsNOAA National Data Buoy Center
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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