401
CDUS43 KLOT 140633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT MON SEP 14 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 13 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 75 11:31 AM 98 1939 77 -2 78
MINIMUM 55 11:59 PM 39 1890 58 -3 64
AVERAGE 65 68 -3 71
PRECIPITATION (IN)
YESTERDAY 0.02 6.64 2008 0.10 -0.08 0.27
MONTH TO DATE 0.08 1.43 -1.35 0.28
SINCE SEP 1 0.08 1.43 -1.35 0.28
SINCE JAN 1 31.05 28.14 2.91 22.73
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 0 2 -2 0
MONTH TO DATE 0 12 -12 32
SINCE SEP 1 0 12 -12 32
SINCE JUL 1 0 18 -18 37
COOLING
YESTERDAY 0 4 -4 6
MONTH TO DATE 156 71 85 32
SINCE SEP 1 156 71 85 32
SINCE JAN 1 1082 943 139 1024
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 10:00 PM
LOWEST 43 12:00 PM
AVERAGE 65
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 99 1939
MINIMUM TEMPERATURE (F) 58 40 1985
SUNRISE AND SUNSET
SEPTEMBER 14 2026.....SUNRISE 6:31 AM CDT SUNSET 7:03 PM CDT
SEPTEMBER 15 2026.....SUNRISE 6:32 AM CDT SUNSET 7:01 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