490
CDUS43 KLOT 010638
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT SAT AUG 01 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 31 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 9:00 AM 99 1945 84 -3 76
2006
MINIMUM 70 10:48 PM 51 1984 67 3 64
AVERAGE 76 75 1 70
PRECIPITATION (IN)
YESTERDAY 0.04 1.29 1888 0.13 -0.09 0.01
MONTH TO DATE 5.36 3.71 1.65 4.29
SINCE JUN 1 10.36 7.81 2.55 7.92
SINCE JAN 1 25.95 22.46 3.49 17.42
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 11 31 -20 13
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 11 10 1 5
MONTH TO DATE 373 326 47 393
SINCE JUN 1 555 525 30 689
SINCE JAN 1 633 595 38 723
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 3:00 PM
LOWEST 56 9:00 AM
AVERAGE 69
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 100 1988
MINIMUM TEMPERATURE (F) 67 51 1990
SUNRISE AND SUNSET
AUGUST 1 2026........SUNRISE 5:45 AM CDT SUNSET 8:10 PM CDT
AUGUST 2 2026........SUNRISE 5:46 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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