431
CDUS43 KLOT 072135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT MON SEP 07 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 7 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 81 1:31 PM 100 1939 79 2 69
1960
MINIMUM 64 5:49 AM 42 1986 61 3 47
AVERAGE 73 70 3 58
PRECIPITATION (IN)
TODAY 0.00 1.79 1980 0.11 -0.11 0.00
MONTH TO DATE T 0.81 -0.81 0.01
SINCE SEP 1 T 0.81 -0.81 0.01
SINCE JAN 1 30.97 27.52 3.45 22.46
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 1 -1 7
MONTH TO DATE 0 4 -4 28
SINCE SEP 1 0 4 -4 28
SINCE JUL 1 0 10 -10 33
COOLING
TODAY 8 6 2 0
MONTH TO DATE 111 43 68 8
SINCE SEP 1 111 43 68 8
SINCE JAN 1 1037 915 122 1000
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 38 1:00 PM
AVERAGE 63
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1933
1959
1960
MINIMUM TEMPERATURE (F) 60 43 1986
SUNRISE AND SUNSET
SEPTEMBER 7 2026.....SUNRISE 6:23 AM CDT SUNSET 7:15 PM CDT
SEPTEMBER 8 2026.....SUNRISE 6:25 AM CDT SUNSET 7:13 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page