770
CDUS43 KLOT 170731
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
231 AM CDT FRI APR 17 2026
...............................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 16 2026...
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)
YESTERDAY
MAXIMUM 73 3:57 PM 86 2002 60 13 57
MINIMUM 51 11:59 PM 22 2020 38 13 30
AVERAGE 62 49 13 44
PRECIPITATION (IN)
YESTERDAY 0.03 1.28 2006 0.12 -0.09 0.00
MONTH TO DATE 4.10 1.55 2.55 0.93
SINCE MAR 1 8.67 3.52 5.15 3.83
SINCE JAN 1 9.92 6.03 3.89 5.40
DEGREE DAYS
HEATING
YESTERDAY 3 16 -13 21
MONTH TO DATE 213 301 -88 324
SINCE MAR 1 885 1151 -266 986
SINCE JUL 1 5527 5928 -401 5307
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 12 0 12 0
SINCE MAR 1 12 2 10 0
SINCE JAN 1 12 2 10 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 59 5:00 PM
AVERAGE 78
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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 84 2002
MINIMUM TEMPERATURE (F) 38 25 2022
SUNRISE AND SUNSET
APRIL 17 2026.........SUNRISE 6:09 AM CDT SUNSET 7:36 PM CDT
APRIL 18 2026.........SUNRISE 6:08 AM CDT SUNSET 7:37 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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