090
CDUS43 KLOT 042138
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT SUN OCT 04 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 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 73 1:20 PM 90 1951 68 5 88
MINIMUM 53 6:08 AM 32 1980 50 3 68
1989
AVERAGE 63 59 4 78
PRECIPITATION (IN)
TODAY 0.00 2.57 1991 0.11 -0.11 0.00
MONTH TO DATE 1.41 0.45 0.96 0.00
SINCE SEP 1 5.11 3.64 1.47 0.49
SINCE JAN 1 36.08 30.35 5.73 22.94
SNOWFALL (IN)
TODAY 0.0 T 2014 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 2 7 -5 0
MONTH TO DATE 13 27 -14 0
SINCE SEP 1 40 104 -64 32
SINCE JUL 1 40 110 -70 37
COOLING
TODAY 0 1 -1 13
MONTH TO DATE 1 4 -3 37
SINCE SEP 1 188 120 68 203
SINCE JAN 1 1114 992 122 1195
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 4:00 AM
LOWEST 35 3:00 PM
AVERAGE 56
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1997
MINIMUM TEMPERATURE (F) 49 28 1980
SUNRISE AND SUNSET
OCTOBER 4 2026.......SUNRISE 6:52 AM CDT SUNSET 6:28 PM CDT
OCTOBER 5 2026.......SUNRISE 6:53 AM CDT SUNSET 6:26 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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