793
CDUS43 KLOT 202202
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
502 PM CDT SUN SEP 20 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 20 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 69 1:58 AM 93 2018 74 -5 77
MINIMUM 64 2:59 PM 36 1991 55 9 66
AVERAGE 67 65 2 72
PRECIPITATION (IN)
TODAY 1.17 1.33 2001 0.11 1.06 0.11
MONTH TO DATE 2.92 2.16 0.76 0.39
SINCE SEP 1 2.92 2.16 0.76 0.39
SINCE JAN 1 33.89 28.87 5.02 22.84
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 3 -3 0
MONTH TO DATE 3 30 -27 32
SINCE SEP 1 3 30 -27 32
SINCE JUL 1 3 36 -33 37
COOLING
TODAY 2 3 -1 7
MONTH TO DATE 188 96 92 94
SINCE SEP 1 188 96 92 94
SINCE JAN 1 1114 968 146 1086
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 12.7
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 90 9:00 AM
AVERAGE 95
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 94 2017
MINIMUM TEMPERATURE (F) 55 39 1889
1983
1991
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:37 AM CDT SUNSET 6:52 PM CDT
SEPTEMBER 21 2026.....SUNRISE 6:38 AM CDT SUNSET 6:50 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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