272
CDUS43 KLOT 190642
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
142 AM CDT WED AUG 19 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 18 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 81 11:18 AM 98 1947 83 -2 87
MINIMUM 66 5:45 AM 49 1963 65 1 71
AVERAGE 74 74 0 79
PRECIPITATION (IN)
YESTERDAY 0.13 2.85 1990 0.14 -0.01 1.73
MONTH TO DATE 4.23 2.53 1.70 4.53
SINCE JUN 1 14.59 10.34 4.25 12.45
SINCE JAN 1 30.18 24.99 5.19 21.95
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 9 9 0 14
MONTH TO DATE 188 174 14 224
SINCE JUN 1 743 699 44 913
SINCE JAN 1 821 769 52 947
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 10:00 PM
LOWEST 56 11:00 AM
AVERAGE 77
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 1947
1983
MINIMUM TEMPERATURE (F) 65 51 1992
SUNRISE AND SUNSET
AUGUST 19 2026........SUNRISE 6:04 AM CDT SUNSET 7:46 PM CDT
AUGUST 20 2026........SUNRISE 6:05 AM CDT SUNSET 7:44 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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