551
CDUS43 KLOT 072133
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT SUN SEP 07 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 7 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 69 2:18 PM 100 1939 79 -10 67
1960
MINIMUM 47 5:48 AM 42 1986 61 -14 48
AVERAGE 58 70 -12 58
PRECIPITATION (IN)
TODAY 0.00 1.79 1980 0.11 -0.11 0.00
MONTH TO DATE 0.01 0.81 -0.80 0.04
SINCE SEP 1 0.01 0.81 -0.80 0.04
SINCE JAN 1 22.46 27.52 -5.06 26.90
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 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
TODAY 7 1 6 7
MONTH TO DATE 28 4 24 10
SINCE SEP 1 28 4 24 10
SINCE JUL 1 33 10 23 10
COOLING
TODAY 0 6 -6 0
MONTH TO DATE 8 43 -35 25
SINCE SEP 1 8 43 -35 25
SINCE JAN 1 1000 915 85 1011
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 5:00 AM
LOWEST 37 2:00 PM
AVERAGE 60
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1933
1959
1960
MINIMUM TEMPERATURE (F) 60 43 1986
SUNRISE AND SUNSET
SEPTEMBER 7 2025.....SUNRISE 6:24 AM CDT SUNSET 7:14 PM CDT
SEPTEMBER 8 2025.....SUNRISE 6:25 AM CDT SUNSET 7:13 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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