544
CDUS43 KLOT 012152
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
452 PM CDT TUE SEP 01 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 1 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 95 2:47 PM 101 1953 80 15 77
MINIMUM 77 6:03 AM 45 1949 62 15 58
AVERAGE 86 71 15 68
PRECIPITATION (IN)
TODAY 0.00 2.92 1977 0.12 -0.12 0.00
MONTH TO DATE 0.00 0.12 -0.12 0.00
SINCE SEP 1 0.00 0.12 -0.12 0.00
SINCE JAN 1 30.97 26.83 4.14 22.45
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 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 6 -6 5
COOLING
TODAY 21 7 14 3
MONTH TO DATE 21 7 14 3
SINCE SEP 1 21 7 14 3
SINCE JAN 1 947 879 68 995
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 5:00 AM
LOWEST 49 3:00 PM
AVERAGE 67
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 101 1953
MINIMUM TEMPERATURE (F) 62 44 1946
SUNRISE AND SUNSET
SEPTEMBER 1 2026.....SUNRISE 6:17 AM CDT SUNSET 7:25 PM CDT
SEPTEMBER 2 2026.....SUNRISE 6:18 AM CDT SUNSET 7:23 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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