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CDUS43 KLOT 122137
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT WED AUG 12 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 12 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 83 2:59 PM 101 1918 83 0 85
MINIMUM 71 10:36 AM 47 1982 66 5 72
AVERAGE 77 74 3 79
PRECIPITATION (IN)
TODAY T 2.03 1908 0.14 -0.14 0.15
MONTH TO DATE 3.70 1.66 2.04 0.52
SINCE JUN 1 14.06 9.47 4.59 8.44
SINCE JAN 1 29.65 24.12 5.53 17.94
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 12 10 2 14
MONTH TO DATE 126 120 6 143
SINCE JUN 1 681 645 36 832
SINCE JAN 1 759 715 44 866
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 6:00 AM
LOWEST 62 2:00 PM
AVERAGE 77
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1944
MINIMUM TEMPERATURE (F) 66 51 1982
2004
SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE 5:56 AM CDT SUNSET 7:56 PM CDT
AUGUST 13 2026........SUNRISE 5:58 AM CDT SUNSET 7:55 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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