256
CDUS43 KLOT 280632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI AUG 28 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 27 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 82 3:30 PM 99 2024 81 1 76
MINIMUM 65 5:37 AM 47 1982 64 1 55
AVERAGE 74 72 2 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.59 1923 0.13 -0.13 0.00
MONTH TO DATE 4.23 3.71 0.52 4.68
SINCE JUN 1 14.59 11.52 3.07 12.60
SINCE JAN 1 30.18 26.17 4.01 22.10
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 9 8 1 1
MONTH TO DATE 250 248 2 262
SINCE JUN 1 805 773 32 951
SINCE JAN 1 883 843 40 985
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 6:00 AM
LOWEST 47 3:00 PM
AVERAGE 66
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1953
1955
MINIMUM TEMPERATURE (F) 63 42 1986
SUNRISE AND SUNSET
AUGUST 28 2026........SUNRISE 6:13 AM CDT SUNSET 7:32 PM CDT
AUGUST 29 2026........SUNRISE 6:14 AM CDT SUNSET 7:30 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page