774
CDUS43 KLOT 112136
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT TUE AUG 11 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 11 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 80 2:51 PM 98 1874 83 -3 89
1941
MINIMUM 69 11:15 AM 47 1982 66 3 72
AVERAGE 75 74 1 81
PRECIPITATION (IN)
TODAY 0.47 3.70 1923 0.14 0.33 0.31
MONTH TO DATE 3.70 1.52 2.18 0.37
SINCE JUN 1 14.06 9.33 4.73 8.29
SINCE JAN 1 29.65 23.98 5.67 17.79
SNOWFALL (IN)
TODAY 0.0 T 1989 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
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 11 33 -22 13
SINCE JUL 1 0 2 -2 0
COOLING
TODAY 10 10 0 16
MONTH TO DATE 114 110 4 129
SINCE JUN 1 669 635 34 818
SINCE JAN 1 747 705 42 852
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 PM
LOWEST 74 3:00 PM
AVERAGE 84
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1918
MINIMUM TEMPERATURE (F) 66 47 1982
SUNRISE AND SUNSET
AUGUST 11 2026........SUNRISE 5:55 AM CDT SUNSET 7:57 PM CDT
AUGUST 12 2026........SUNRISE 5:56 AM CDT SUNSET 7:56 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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