Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 302143
CLIDPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT WED JUL 30 2025
...................................
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 30 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 80 10:08 AM 98 1999 84 -4 88
MINIMUM 71 11:58 AM 49 1997 63 8 68
AVERAGE 76 74 2 78
PRECIPITATION (IN)
TODAY 0.37 0.84 2000 0.13 0.24 0.00
MONTH TO DATE 6.83 3.50 3.33 4.42
SINCE JUN 1 9.48 7.15 2.33 9.45
SINCE JAN 1 17.54 19.41 -1.87 22.09
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE JUN 1 18 33 -15 16
SINCE JUL 1 0 0 0 3
COOLING
TODAY 11 8 3 13
MONTH TO DATE 362 265 97 249
SINCE JUN 1 629 440 189 491
SINCE JAN 1 662 496 166 545
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 11:00 AM
LOWEST 72 10:00 AM
AVERAGE 83
..........................................................
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 2006
MINIMUM TEMPERATURE (F) 63 50 1997
SUNRISE AND SUNSET
JULY 30 2025..........SUNRISE 5:45 AM CDT SUNSET 8:13 PM CDT
JULY 31 2025..........SUNRISE 5:46 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.
$$