008
CDUS43 KLOT 042133
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT FRI SEP 04 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 4 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 92 2:59 PM 95 1954 80 12 66
1960
1983
MINIMUM 76 5:52 AM 45 1982 62 14 48
1997
AVERAGE 84 70 14 57
PRECIPITATION (IN)
TODAY 0.00 2.95 1894 0.12 -0.12 0.00
MONTH TO DATE 0.00 0.47 -0.47 0.01
SINCE SEP 1 0.00 0.47 -0.47 0.01
SINCE JAN 1 30.97 27.18 3.79 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 8
MONTH TO DATE 0 1 -1 9
SINCE SEP 1 0 1 -1 9
SINCE JUL 1 0 7 -7 14
COOLING
TODAY 19 6 13 0
MONTH TO DATE 81 25 56 8
SINCE SEP 1 81 25 56 8
SINCE JAN 1 1007 897 110 1000
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 7:00 AM
LOWEST 51 3:00 PM
AVERAGE 68
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 98 1899
MINIMUM TEMPERATURE (F) 61 44 1984
1988
SUNRISE AND SUNSET
SEPTEMBER 4 2026.....SUNRISE 6:20 AM CDT SUNSET 7:20 PM CDT
SEPTEMBER 5 2026.....SUNRISE 6:21 AM CDT SUNSET 7:18 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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