402
CDUS43 KLOT 190633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT SEP 19 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 18 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 72 3:10 PM 94 1955 75 -3 87
MINIMUM 65 5:54 AM 40 1889 56 9 62
1901
1903
AVERAGE 69 66 3 75
PRECIPITATION (IN)
YESTERDAY T 2.41 2015 0.10 -0.10 0.00
MONTH TO DATE 0.89 1.94 -1.05 0.28
SINCE SEP 1 0.89 1.94 -1.05 0.28
SINCE JAN 1 31.86 28.65 3.21 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 3 -3 0
MONTH TO DATE 3 24 -21 32
SINCE SEP 1 3 24 -21 32
SINCE JUL 1 3 30 -27 37
COOLING
YESTERDAY 4 3 1 10
MONTH TO DATE 184 90 94 74
SINCE SEP 1 184 90 94 74
SINCE JAN 1 1110 962 148 1066
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 10.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 5:00 AM
LOWEST 55 11:00 AM
AVERAGE 70
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 93 1955
MINIMUM TEMPERATURE (F) 56 40 1991
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 6:36 AM CDT SUNSET 6:54 PM CDT
SEPTEMBER 20 2026.....SUNRISE 6:37 AM CDT SUNSET 6:52 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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