Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 212141
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT MON JUL 21 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 21 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 2:29 PM 108 1934 85 -2 84
MINIMUM 69 3:22 AM 51 1970 68 1 67
AVERAGE 76 77 -1 76
PRECIPITATION (IN)
TODAY 0.00 1.43 1949 0.12 -0.12 0.00
MONTH TO DATE 2.46 2.37 0.09 5.24
SINCE JUN 1 7.83 6.38 1.45 8.68
SINCE JAN 1 17.40 18.86 -1.46 24.66
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 24 -15 3
SINCE JUL 1 0 0 0 0
COOLING
TODAY 11 12 -1 11
MONTH TO DATE 285 242 43 236
SINCE JUN 1 609 464 145 558
SINCE JAN 1 660 546 114 671
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 42 12:00 PM
AVERAGE 65
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 104 1934
MINIMUM TEMPERATURE (F) 68 49 1947
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:35 AM CDT SUNSET 8:20 PM CDT
JULY 22 2025..........SUNRISE 5:36 AM CDT SUNSET 8:19 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$