041
CDUS43 KLOT 252135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT FRI SEP 25 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 25 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 64 2:59 PM 92 2017 72 -8 77
MINIMUM 60 6:39 AM 30 1942 53 7 58
AVERAGE 62 63 -1 68
PRECIPITATION (IN)
TODAY 0.00 1.85 1961 0.11 -0.11 0.00
MONTH TO DATE 2.96 2.70 0.26 0.49
SINCE SEP 1 2.96 2.70 0.26 0.49
SINCE JAN 1 33.93 29.41 4.52 22.94
SNOWFALL (IN)
TODAY 0.0 T 1928 0.0 0.0 0.0
1942
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 3 4 -1 0
MONTH TO DATE 14 49 -35 32
SINCE SEP 1 14 49 -35 32
SINCE JUL 1 14 55 -41 37
COOLING
TODAY 0 2 -2 3
MONTH TO DATE 186 108 78 125
SINCE SEP 1 186 108 78 125
SINCE JAN 1 1112 980 132 1117
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 3:00 AM
LOWEST 58 3:00 PM
AVERAGE 73
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 2017
MINIMUM TEMPERATURE (F) 53 35 1928
SUNRISE AND SUNSET
SEPTEMBER 25 2026.....SUNRISE 6:42 AM CDT SUNSET 6:43 PM CDT
SEPTEMBER 26 2026.....SUNRISE 6:43 AM CDT SUNSET 6:42 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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