523
CDUS43 KLOT 040633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE AUG 04 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 3 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 83 1:23 PM 98 1930 84 -1 79
1944
1964
MINIMUM 62 5:11 AM 48 1894 66 -4 61
AVERAGE 73 75 -2 70
PRECIPITATION (IN)
YESTERDAY 0.00 2.10 1915 0.14 -0.14 0.00
MONTH TO DATE 1.85 0.44 1.41 0.00
SINCE JUN 1 12.21 8.25 3.96 7.92
SINCE JAN 1 27.80 22.90 4.90 17.42
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 8 10 -2 5
MONTH TO DATE 19 30 -11 12
SINCE JUN 1 574 555 19 701
SINCE JAN 1 652 625 27 735
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 51 3:00 PM
AVERAGE 72
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 100 1947
MINIMUM TEMPERATURE (F) 66 53 1880
1894
1992
SUNRISE AND SUNSET
AUGUST 4 2026........SUNRISE 5:48 AM CDT SUNSET 8:06 PM CDT
AUGUST 5 2026........SUNRISE 5:49 AM CDT SUNSET 8:05 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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