960
CDUS43 KLOT 222134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT MON SEP 22 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 22 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 82 2:18 PM 94 2017 73 9 78
MINIMUM 66 6:04 AM 32 1995 55 11 64
AVERAGE 74 64 10 71
PRECIPITATION (IN)
TODAY 0.00 1.73 2006 0.11 -0.11 0.80
MONTH TO DATE 0.40 2.38 -1.98 0.86
SINCE SEP 1 0.40 2.38 -1.98 0.86
SINCE JAN 1 22.85 29.09 -6.24 27.72
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 0 4 -4 0
MONTH TO DATE 32 37 -5 14
SINCE SEP 1 32 37 -5 14
SINCE JUL 1 37 43 -6 14
COOLING
TODAY 9 3 6 6
MONTH TO DATE 113 102 11 167
SINCE SEP 1 113 102 11 167
SINCE JAN 1 1105 974 131 1153
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 51 2:00 PM
AVERAGE 71
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 2017
MINIMUM TEMPERATURE (F) 54 29 1995
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 6:39 AM CDT SUNSET 6:48 PM CDT
SEPTEMBER 23 2025.....SUNRISE 6:40 AM CDT SUNSET 6:47 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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