597
CDUS43 KLOT 290635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT SAT AUG 29 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 28 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 4:00 PM 97 1953 81 2 77
1955
MINIMUM 66 5:40 AM 42 1986 63 3 60
AVERAGE 75 72 3 69
PRECIPITATION (IN)
YESTERDAY 0.00 1.45 1932 0.13 -0.13 0.35
MONTH TO DATE 4.23 3.84 0.39 5.03
SINCE JUN 1 14.59 11.65 2.94 12.95
SINCE JAN 1 30.18 26.30 3.88 22.45
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 3
SINCE JUN 1 11 33 -22 16
SINCE JUL 1 0 2 -2 3
COOLING
YESTERDAY 10 8 2 4
MONTH TO DATE 260 256 4 266
SINCE JUN 1 815 781 34 955
SINCE JAN 1 893 851 42 989
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 5:00 AM
LOWEST 42 4:00 PM
AVERAGE 63
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 1953
MINIMUM TEMPERATURE (F) 63 43 1965
1982
SUNRISE AND SUNSET
AUGUST 29 2026........SUNRISE 6:14 AM CDT SUNSET 7:30 PM CDT
AUGUST 30 2026........SUNRISE 6:15 AM CDT SUNSET 7:28 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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