726
CDUS43 KLOT 150634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SAT AUG 15 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 14 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 80 3:33 PM 99 1944 83 -3 84
MINIMUM 70 1:52 AM 48 1964 66 4 66
AVERAGE 75 74 1 75
PRECIPITATION (IN)
YESTERDAY T 6.49 1987 0.15 -0.15 0.00
MONTH TO DATE 3.93 1.95 1.98 0.52
SINCE JUN 1 14.29 9.76 4.53 8.44
SINCE JAN 1 29.88 24.41 5.47 17.94
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 33 -22 13
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 10 9 1 10
MONTH TO DATE 146 138 8 166
SINCE JUN 1 701 663 38 855
SINCE JAN 1 779 733 46 889
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 71 4:00 PM
AVERAGE 84
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1944
MINIMUM TEMPERATURE (F) 66 48 2004
SUNRISE AND SUNSET
AUGUST 15 2026........SUNRISE 6:00 AM CDT SUNSET 7:52 PM CDT
AUGUST 16 2026........SUNRISE 6:01 AM CDT SUNSET 7:50 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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