Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 182138
CLIUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT MON AUG 18 2025
...................................
...THE WAUKEGAN IL CLIMATE SUMMARY FOR AUGUST 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 82 2:04 PM 87 2016 80 2 78
MINIMUM 73 1:26 AM 51 2012 61 12 67
AVERAGE 78 71 7 73
PRECIPITATION (IN)
TODAY 0.04 1.53 2001 0.11 -0.07 T
MONTH TO DATE 0.96 2.08 -1.12 2.01
SINCE JUN 1 10.76 10.01 0.75 14.29
SINCE JAN 1 19.19 22.85 -3.66 33.04
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 39 86 -47 35
SINCE JUL 1 3 13 -10 6
COOLING
TODAY 13 6 7 8
MONTH TO DATE 192 116 76 131
SINCE JUN 1 727 447 280 554
SINCE JAN 1 736 479 257 569
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 11.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 3:00 PM
LOWEST 67 11:00 AM
AVERAGE 78
..........................................................
THE WAUKEGAN IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 86 2016
2022
MINIMUM TEMPERATURE (F) 61 51 2004
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:02 AM CDT SUNSET 7:48 PM CDT
AUGUST 19 2025........SUNRISE 6:03 AM CDT SUNSET 7:46 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$