467
CDUS43 KLOT 272137
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT SUN JUL 27 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 27 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 90 1:59 PM 100 1955 85 5 86
MINIMUM 75 4:30 AM 51 1937 68 7 67
AVERAGE 83 76 7 77
PRECIPITATION (IN)
TODAY 0.00 4.71 1966 0.11 -0.11 0.00
MONTH TO DATE 6.05 3.07 2.98 6.02
SINCE JUN 1 11.42 7.08 4.34 9.46
SINCE JAN 1 20.99 19.56 1.43 25.44
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 18 11 7 12
MONTH TO DATE 386 312 74 291
SINCE JUN 1 710 534 176 613
SINCE JAN 1 761 616 145 726
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 1:00 AM
LOWEST 61 1:00 PM
AVERAGE 75
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 1941
1983
MINIMUM TEMPERATURE (F) 68 53 1981
SUNRISE AND SUNSET
JULY 27 2025..........SUNRISE 5:40 AM CDT SUNSET 8:14 PM CDT
JULY 28 2025..........SUNRISE 5:41 AM CDT SUNSET 8:13 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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