Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 172139
CLIUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT FRI OCT 17 2025
...................................
...THE WAUKEGAN IL CLIMATE SUMMARY FOR OCTOBER 17 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 74 12:40 PM 81 2016 61 13 65
MINIMUM 58 5:39 AM 29 2015 42 16 31
AVERAGE 66 52 14 48
PRECIPITATION (IN)
TODAY 0.00 0.47 2006 0.10 -0.10 0.00
MONTH TO DATE 0.58 1.92 -1.34 0.68
SINCE SEP 1 2.47 5.49 -3.02 2.15
SINCE JAN 1 22.10 29.85 -7.75 35.68
DEGREE DAYS
HEATING
TODAY 0 14 -14 17
MONTH TO DATE 83 187 -104 142
SINCE SEP 1 119 308 -189 172
SINCE JUL 1 135 333 -198 187
COOLING
TODAY 1 0 1 0
MONTH TO DATE 59 6 53 7
SINCE SEP 1 171 77 94 103
SINCE JAN 1 944 624 320 774
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 12.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 8:00 AM
LOWEST 49 12:00 AM
AVERAGE 56
..........................................................
THE WAUKEGAN IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 77 2007
MINIMUM TEMPERATURE (F) 42 26 2018
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:07 AM CDT SUNSET 6:06 PM CDT
OCTOBER 18 2025.......SUNRISE 7:08 AM CDT SUNSET 6:04 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$