464
CDUS43 KLOT 202136
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT WED MAY 20 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 20 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 61 1:55 PM 91 2012 72 -11 58
MINIMUM 49 5:20 AM 32 2002 50 -1 49
AVERAGE 55 61 -6 54
PRECIPITATION (IN)
TODAY 0.00 0.73 2013 0.14 -0.14 0.61
2022
MONTH TO DATE 0.83 2.89 -2.06 1.33
SINCE MAR 1 11.13 8.30 2.83 6.23
SINCE JAN 1 12.38 10.81 1.57 7.80
DEGREE DAYS
HEATING
TODAY 10 6 4 11
MONTH TO DATE 202 165 37 143
SINCE MAR 1 1236 1507 -271 1247
SINCE JUL 1 5878 6284 -406 5568
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 26 20 6 27
SINCE MAR 1 38 26 12 33
SINCE JAN 1 38 26 12 33
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 12.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 5:00 AM
LOWEST 51 3:00 PM
AVERAGE 66
......................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 2024
MINIMUM TEMPERATURE (F) 51 26 2002
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 5:28 AM CDT SUNSET 8:12 PM CDT
MAY 21 2026...........SUNRISE 5:27 AM CDT SUNSET 8:12 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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