922
CDUS43 KLOT 210635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE JUL 21 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 20 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 82 4:25 PM 101 1980 85 -3 75
MINIMUM 65 5:15 AM 53 1970 67 -2 66
AVERAGE 74 76 -2 71
PRECIPITATION (IN)
YESTERDAY T 3.03 1978 0.12 -0.12 T
MONTH TO DATE 3.56 2.29 1.27 3.48
SINCE JUN 1 8.56 6.39 2.17 7.11
SINCE JAN 1 24.15 21.04 3.11 16.61
SNOWFALL (IN)
YESTERDAY 0.0 T 1978 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 9 11 -2 6
MONTH TO DATE 277 211 66 244
SINCE JUN 1 459 410 49 540
SINCE JAN 1 537 480 57 574
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 11:00 PM
LOWEST 56 4:00 PM
AVERAGE 71
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 103 1901
MINIMUM TEMPERATURE (F) 67 51 1970
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 5:35 AM CDT SUNSET 8:21 PM CDT
JULY 22 2026..........SUNRISE 5:36 AM CDT SUNSET 8:20 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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