Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 162149
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
449 PM CDT WED SEP 16 2026
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 16 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 76 11:56 AM 92 1931 76 0 83
1955
MINIMUM 64 7:03 AM 37 1984 57 7 63
AVERAGE 70 66 4 73
PRECIPITATION (IN)
TODAY 0.01 1.16 1980 0.10 -0.09 0.00
MONTH TO DATE 0.16 1.73 -1.57 0.28
SINCE SEP 1 0.16 1.73 -1.57 0.28
SINCE JAN 1 31.13 28.44 2.69 22.73
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 2 -2 0
MONTH TO DATE 3 18 -15 32
SINCE SEP 1 3 18 -15 32
SINCE JUL 1 3 24 -21 37
COOLING
TODAY 5 4 1 8
MONTH TO DATE 172 83 89 57
SINCE SEP 1 172 83 89 57
SINCE JAN 1 1098 955 143 1049
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 PM
LOWEST 65 2:00 AM
AVERAGE 78
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 1955
MINIMUM TEMPERATURE (F) 57 37 1984
SUNRISE AND SUNSET
SEPTEMBER 16 2026.....SUNRISE 6:33 AM CDT SUNSET 6:59 PM CDT
SEPTEMBER 17 2026.....SUNRISE 6:34 AM CDT SUNSET 6:57 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$