436
CDUS43 KLOT 312146
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
446 PM CDT FRI JUL 31 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 31 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 82 10:17 AM 99 1945 84 -2 78
2006
MINIMUM 71 6:03 AM 50 1936 68 3 69
AVERAGE 77 76 1 74
PRECIPITATION (IN)
TODAY T 1.20 1986 0.12 -0.12 0.08
MONTH TO DATE 6.13 3.55 2.58 6.66
SINCE JUN 1 13.47 7.56 5.91 12.03
SINCE JAN 1 27.36 20.04 7.32 21.60
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 3 24 -21 9
SINCE JUL 1 0 0 0 0
COOLING
TODAY 12 11 1 9
MONTH TO DATE 394 353 41 444
SINCE JUN 1 587 575 12 768
SINCE JAN 1 671 657 14 819
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 2:00 PM
LOWEST 52 11:00 AM
AVERAGE 63
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 100 1988
MINIMUM TEMPERATURE (F) 68 52 1947
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 5:44 AM CDT SUNSET 8:10 PM CDT
AUGUST 1 2026........SUNRISE 5:45 AM CDT SUNSET 8:09 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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