534
CDUS43 KLOT 152133
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT FRI MAY 15 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 15 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 74 2:59 PM 93 2025 71 3 93
MINIMUM 51 2:21 AM 34 2016 48 3 58
AVERAGE 63 60 3 76
PRECIPITATION (IN)
TODAY T 0.54 2009 0.14 -0.14 T
MONTH TO DATE 0.42 2.19 -1.77 0.71
SINCE MAR 1 10.72 7.60 3.12 5.61
SINCE JAN 1 11.97 10.11 1.86 7.18
DEGREE DAYS
HEATING
TODAY 2 7 -5 0
MONTH TO DATE 192 134 58 106
SINCE MAR 1 1226 1476 -250 1210
SINCE JUL 1 5868 6253 -385 5531
COOLING
TODAY 0 1 -1 11
MONTH TO DATE 0 11 -11 21
SINCE MAR 1 12 17 -5 27
SINCE JAN 1 12 17 -5 27
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 13.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 9:00 AM
LOWEST 43 12:00 AM
AVERAGE 55
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 88 2001
MINIMUM TEMPERATURE (F) 49 34 2011
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 5:33 AM CDT SUNSET 8:07 PM CDT
MAY 16 2026...........SUNRISE 5:32 AM CDT SUNSET 8:08 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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