655
CDUS43 KLOT 310635
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT FRI JUL 31 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 30 2026
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)
YESTERDAY
MAXIMUM 86 4:05 PM 104 1999 84 2 82
MINIMUM 63 3:54 AM 51 1936 68 -5 70
AVERAGE 75 76 -1 76
PRECIPITATION (IN)
YESTERDAY 0.00 2.43 1979 0.12 -0.12 0.53
MONTH TO DATE 6.13 3.43 2.70 6.58
SINCE JUN 1 13.47 7.44 6.03 11.95
SINCE JAN 1 27.36 19.92 7.44 21.52
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 10 11 -1 11
MONTH TO DATE 382 345 37 435
SINCE JUN 1 575 567 8 759
SINCE JAN 1 659 649 10 810
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 3.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 4:00 AM
LOWEST 38 10:00 AM
AVERAGE 61
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 1945
2006
MINIMUM TEMPERATURE (F) 68 50 1936
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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