446
CDUS43 KLOT 052134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT FRI SEP 05 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 5 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 67 1:28 PM 98 1899 79 -12 87
MINIMUM 57 6:07 AM 44 1984 61 -4 64
1988
AVERAGE 62 70 -8 76
PRECIPITATION (IN)
TODAY T 1.89 1971 0.12 -0.12 0.04
MONTH TO DATE 0.01 0.59 -0.58 0.04
SINCE SEP 1 0.01 0.59 -0.58 0.04
SINCE JAN 1 22.46 27.30 -4.84 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 3 1 2 0
MONTH TO DATE 12 2 10 0
SINCE SEP 1 12 2 10 0
SINCE JUL 1 17 8 9 0
COOLING
TODAY 0 6 -6 11
MONTH TO DATE 8 31 -23 25
SINCE SEP 1 8 31 -23 25
SINCE JAN 1 1000 903 97 1011
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 14.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 5:00 AM
LOWEST 42 3:00 PM
AVERAGE 56
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 1954
1960
MINIMUM TEMPERATURE (F) 61 42 1984
SUNRISE AND SUNSET
SEPTEMBER 5 2025.....SUNRISE 6:22 AM CDT SUNSET 7:18 PM CDT
SEPTEMBER 6 2025.....SUNRISE 6:23 AM CDT SUNSET 7:16 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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