Waukegan, IL Weather


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The most pleasant months of the year for Waukegan are June, August and July. In Waukegan, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Waukegan with an average high temperature of 81.4°, which ranks it as one of the coolest places in Illinois. January is the snowiest month in Waukegan with 13.4 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Waukegan, IL

8 PM PST

Partly Cloudy

55°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightPartly Cloudy47° / 69°W 5 mph
Tuesday NightPartly Cloudy then Slight Chance Rain Showers51° / 71°S 10 to 15 mph
Wednesday NightChance Showers And Thunderstorms51° / 71°ENE 5 mph
Thursday NightShowers And Thunderstorms Likely56° / 70°S 15 mph
Friday NightChance Showers And Thunderstorms50° / 71°WSW 10 to 15 mph
Saturday NightChance Rain Showers50° / 66°SW 10 mph
Sunday NightMostly Cloudy then Slight Chance Rain Showers52° / 65°SSE 10 mph

Weather Highlights

Summer High: the July high is around 81 degrees
Winter Low: the January low is 15
Rain: averages 36 inches of rain a year
Snow: averages 41 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Waukegan area is 9.2 (10=best), which means it is more comfortable than most places in Illinois.

9.2 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January30° 15°
February34° 18°
March44° 27°
April56° 37°
May67° 47°
June77° 57°
July81° 63°
August80° 62°
September72° 54°
October60° 42°
November47° 32°
December34° 20°
Hot, Freezing, Rainy, Snowy Days: Waukegan
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January029108
February02685
March02293
April08121
May01120
June20100
July4090
August2090
September0090
October0490
November015102
December027106

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

Reviews for Waukegan
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Great people, beautifully diverse. All live and work together to provide the best for all residents. Lake County College is completing a 40 million dollar building  More

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Over 11 years ago

We're looking for a moderate climate. Waukegan is on Lake Michigan and could have a dynamic vibrant downtown but it doesn't. Great master plan if somehow Waukegan can  More

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Over 16 years ago

I have been living in north east waukegan for 12 years and I am excited by the recent surge of growth in the downtown area. Thanks to the Genesee theater, there are  More

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