276
CDUS43 KLOT 270631
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SUN SEP 27 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 26 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 69 12:43 PM 92 2017 72 -3 83
MINIMUM 51 4:54 AM 35 1928 53 -2 59
AVERAGE 60 62 -2 71
PRECIPITATION (IN)
YESTERDAY 0.00 2.71 1933 0.10 -0.10 0.00
MONTH TO DATE 2.96 2.80 0.16 0.49
SINCE SEP 1 2.96 2.80 0.16 0.49
SINCE JAN 1 33.93 29.51 4.42 22.94
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 5 5 0 0
MONTH TO DATE 21 54 -33 32
SINCE SEP 1 21 54 -33 32
SINCE JUL 1 21 60 -39 37
COOLING
YESTERDAY 0 2 -2 6
MONTH TO DATE 186 110 76 131
SINCE SEP 1 186 110 76 131
SINCE JAN 1 1112 982 130 1123
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 3:00 AM
LOWEST 45 2:00 PM
AVERAGE 67
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 91 1971
MINIMUM TEMPERATURE (F) 53 31 1942
SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE 6:44 AM CDT SUNSET 6:40 PM CDT
SEPTEMBER 28 2026.....SUNRISE 6:45 AM CDT SUNSET 6:38 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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