451
CDUS43 KLOT 092133
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT SAT AUG 09 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 9 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 95 2:00 PM 97 1913 83 12 72
MINIMUM 76 5:11 AM 51 1972 66 10 60
AVERAGE 86 75 11 66
PRECIPITATION (IN)
TODAY 0.00 1.60 1952 0.14 -0.14 0.00
MONTH TO DATE 0.00 1.25 -1.25 0.85
SINCE JUN 1 7.92 9.06 -1.14 9.84
SINCE JAN 1 17.42 23.71 -6.29 25.11
SNOWFALL (IN)
TODAY 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 T
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 13 33 -20 6
SINCE JUL 1 0 2 -2 0
COOLING
TODAY 21 10 11 1
MONTH TO DATE 95 90 5 100
SINCE JUN 1 784 615 169 694
SINCE JAN 1 818 685 133 774
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 11.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 5:00 AM
LOWEST 46 2:00 PM
AVERAGE 60
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 1944
MINIMUM TEMPERATURE (F) 66 49 1972
1982
SUNRISE AND SUNSET
AUGUST 9 2025........SUNRISE 5:54 AM CDT SUNSET 8:00 PM CDT
AUGUST 10 2025........SUNRISE 5:55 AM CDT SUNSET 7:58 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