971
CDUS43 KLOT 182134
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT MON MAY 18 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 78 2:56 PM 89 1998 72 6 70
MINIMUM 69 10:28 AM 30 2002 49 20 44
AVERAGE 74 61 13 57
PRECIPITATION (IN)
TODAY 0.33 0.41 2004 0.14 0.19 0.00
MONTH TO DATE 0.83 2.60 -1.77 0.72
SINCE MAR 1 11.13 8.01 3.12 5.62
SINCE JAN 1 12.38 10.52 1.86 7.19
DEGREE DAYS
HEATING
TODAY 0 6 -6 8
MONTH TO DATE 192 153 39 116
SINCE MAR 1 1226 1495 -269 1220
SINCE JUL 1 5868 6272 -404 5541
COOLING
TODAY 9 2 7 0
MONTH TO DATE 25 16 9 27
SINCE MAR 1 37 22 15 33
SINCE JAN 1 37 22 15 33
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 13.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 10:00 AM
LOWEST 61 2:00 AM
AVERAGE 79
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 2012
MINIMUM TEMPERATURE (F) 50 37 2002
2008
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 5:30 AM CDT SUNSET 8:10 PM CDT
MAY 19 2026...........SUNRISE 5:29 AM CDT SUNSET 8:11 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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