167
CDUS43 KLOT 150634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE SEP 15 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 14 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 71 3:28 PM 99 1939 76 -5 82
MINIMUM 53 4:38 AM 40 1985 58 -5 64
AVERAGE 62 67 -5 73
PRECIPITATION (IN)
YESTERDAY 0.00 2.42 1896 0.10 -0.10 0.00
MONTH TO DATE 0.08 1.53 -1.45 0.28
SINCE SEP 1 0.08 1.53 -1.45 0.28
SINCE JAN 1 31.05 28.24 2.81 22.73
SNOWFALL (IN)
YESTERDAY 0.0 T 1928 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 3 2 1 0
MONTH TO DATE 3 14 -11 32
SINCE SEP 1 3 14 -11 32
SINCE JUL 1 3 20 -17 37
COOLING
YESTERDAY 0 4 -4 8
MONTH TO DATE 156 75 81 40
SINCE SEP 1 156 75 81 40
SINCE JAN 1 1082 947 135 1032
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 39 6:00 PM
AVERAGE 66
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 99 1939
MINIMUM TEMPERATURE (F) 58 39 2007
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:32 AM CDT SUNSET 7:01 PM CDT
SEPTEMBER 16 2026.....SUNRISE 6:33 AM CDT SUNSET 6:59 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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