491
CDUS43 KLOT 020641
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT FRI OCT 02 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 1 2026
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)
YESTERDAY
MAXIMUM 70 2:24 PM 92 1971 69 1 76
MINIMUM 61 11:59 PM 32 1886 51 10 63
1974
AVERAGE 66 60 6 70
PRECIPITATION (IN)
YESTERDAY 1.41 1.56 2018 0.11 1.30 0.00
MONTH TO DATE 1.41 0.11 1.30 0.00
SINCE SEP 1 5.11 3.30 1.81 0.49
SINCE JAN 1 36.08 30.01 6.07 22.94
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 6 -6 0
MONTH TO DATE 0 6 -6 0
SINCE SEP 1 27 83 -56 32
SINCE JUL 1 27 89 -62 37
COOLING
YESTERDAY 1 1 0 5
MONTH TO DATE 1 1 0 5
SINCE SEP 1 188 117 71 171
SINCE JAN 1 1114 989 125 1163
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 PM
LOWEST 84 9:00 AM
AVERAGE 91
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 91 1971
MINIMUM TEMPERATURE (F) 51 28 1974
SUNRISE AND SUNSET
OCTOBER 2 2026.......SUNRISE 6:50 AM CDT SUNSET 6:31 PM CDT
OCTOBER 3 2026.......SUNRISE 6:51 AM CDT SUNSET 6:30 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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