689
CDUS43 KLOT 230634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT WED SEP 23 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 22 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 63 10:02 PM 94 2017 73 -10 82
MINIMUM 57 7:00 AM 32 1995 55 2 66
AVERAGE 60 64 -4 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.73 2006 0.11 -0.11 0.00
MONTH TO DATE 2.96 2.38 0.58 0.40
SINCE SEP 1 2.96 2.38 0.58 0.40
SINCE JAN 1 33.93 29.09 4.84 22.85
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 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
YESTERDAY 5 4 1 0
MONTH TO DATE 10 37 -27 32
SINCE SEP 1 10 37 -27 32
SINCE JUL 1 10 43 -33 37
COOLING
YESTERDAY 0 3 -3 9
MONTH TO DATE 186 102 84 113
SINCE SEP 1 186 102 84 113
SINCE JAN 1 1112 974 138 1105
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 12.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 2:00 AM
LOWEST 58 10:00 PM
AVERAGE 68
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 2017
MINIMUM TEMPERATURE (F) 54 29 1995
SUNRISE AND SUNSET
SEPTEMBER 23 2026.....SUNRISE 6:40 AM CDT SUNSET 6:47 PM CDT
SEPTEMBER 24 2026.....SUNRISE 6:41 AM CDT SUNSET 6:45 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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