517
CDUS43 KLOT 100643
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT MON AUG 10 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 9 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 84 11:47 AM 97 1913 83 1 95
MINIMUM 66 4:05 AM 51 1972 66 0 76
AVERAGE 75 75 0 86
PRECIPITATION (IN)
YESTERDAY 1.34 1.60 1952 0.14 1.20 0.00
MONTH TO DATE 3.23 1.25 1.98 0.00
SINCE JUN 1 13.59 9.06 4.53 7.92
SINCE JAN 1 29.18 23.71 5.47 17.42
SNOWFALL (IN)
YESTERDAY 0.0 T 1954 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 10 0 21
MONTH TO DATE 89 90 -1 95
SINCE JUN 1 644 615 29 784
SINCE JAN 1 722 685 37 818
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 PM
LOWEST 67 11:00 AM
AVERAGE 80
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 1944
MINIMUM TEMPERATURE (F) 66 49 1972
1982
SUNRISE AND SUNSET
AUGUST 10 2026........SUNRISE 5:54 AM CDT SUNSET 7:59 PM CDT
AUGUST 11 2026........SUNRISE 5:55 AM CDT SUNSET 7:57 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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