926
CDUS43 KLOT 032135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU SEP 03 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 3 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 91 2:59 PM 97 1953 80 11 72
MINIMUM 79 5:37 AM 47 1974 62 17 55
AVERAGE 85 71 14 64
PRECIPITATION (IN)
TODAY 0.00 1.92 1961 0.11 -0.11 0.01
MONTH TO DATE 0.00 0.35 -0.35 0.01
SINCE SEP 1 0.00 0.35 -0.35 0.01
SINCE JAN 1 30.97 27.06 3.91 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 0 0 1
MONTH TO DATE 0 0 0 1
SINCE SEP 1 0 0 0 1
SINCE JUL 1 0 6 -6 6
COOLING
TODAY 20 6 14 0
MONTH TO DATE 63 19 44 8
SINCE SEP 1 63 19 44 8
SINCE JAN 1 989 891 98 1000
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 2:00 AM
LOWEST 54 3:00 PM
AVERAGE 68
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1954
1960
1983
MINIMUM TEMPERATURE (F) 62 45 1982
1997
SUNRISE AND SUNSET
SEPTEMBER 3 2026.....SUNRISE 6:19 AM CDT SUNSET 7:22 PM CDT
SEPTEMBER 4 2026.....SUNRISE 6:20 AM CDT SUNSET 7:20 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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