745
CDUS43 KLOT 242144
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CDT THU SEP 24 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 24 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 70 12:33 PM 93 2017 72 -2 73
MINIMUM 60 1:14 AM 35 1942 54 6 60
1985
1989
AVERAGE 65 63 2 67
PRECIPITATION (IN)
TODAY 0.00 1.85 1977 0.11 -0.11 0.00
MONTH TO DATE 2.96 2.59 0.37 0.49
SINCE SEP 1 2.96 2.59 0.37 0.49
SINCE JAN 1 33.93 29.30 4.63 22.94
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 4 -4 0
MONTH TO DATE 11 45 -34 32
SINCE SEP 1 11 45 -34 32
SINCE JUL 1 11 51 -40 37
COOLING
TODAY 0 2 -2 2
MONTH TO DATE 186 106 80 122
SINCE SEP 1 186 106 80 122
SINCE JAN 1 1112 978 134 1114
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 7:00 AM
LOWEST 47 12:00 PM
AVERAGE 60
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 2017
MINIMUM TEMPERATURE (F) 53 30 1942
SUNRISE AND SUNSET
SEPTEMBER 24 2026.....SUNRISE 6:41 AM CDT SUNSET 6:45 PM CDT
SEPTEMBER 25 2026.....SUNRISE 6:42 AM CDT SUNSET 6:43 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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