020
CDUS43 KLOT 180640
CLIUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT THU SEP 18 2025
...............................
..THE WAUKEGAN IL CLIMATE SUMMARY FOR SEPTEMBER 17 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 2000 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 10:40 AM 91 2021 73 9 80
MINIMUM 54 4:06 AM 42 2014 53 1 55
AVERAGE 68 63 5 68
PRECIPITATION (IN)
YESTERDAY 0.00 2.00 2015 0.12 -0.12 0.00
MONTH TO DATE 1.60 1.99 -0.39 T
SINCE SEP 1 1.60 1.99 -0.39 T
SINCE JAN 1 21.23 26.35 -5.12 33.53
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 36 41 -5 24
SINCE SEP 1 36 41 -5 24
SINCE JUL 1 52 66 -14 39
COOLING
YESTERDAY 3 2 1 3
MONTH TO DATE 37 54 -17 56
SINCE SEP 1 37 54 -17 56
SINCE JAN 1 810 601 209 727
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 2.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 9:00 PM
LOWEST 42 11:00 AM
AVERAGE 68
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THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 87 2007
MINIMUM TEMPERATURE (F) 53 40 2012
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:35 AM CDT SUNSET 6:55 PM CDT
SEPTEMBER 19 2025.....SUNRISE 6:36 AM CDT SUNSET 6:53 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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