622
CDUS43 KLOT 040634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SUN OCT 04 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 3 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 69 3:33 PM 91 1954 69 0 89
MINIMUM 48 4:06 AM 29 1974 50 -2 64
1981
AVERAGE 59 59 0 77
PRECIPITATION (IN)
YESTERDAY 0.00 3.95 1954 0.11 -0.11 0.00
MONTH TO DATE 1.41 0.34 1.07 0.00
SINCE SEP 1 5.11 3.53 1.58 0.49
SINCE JAN 1 36.08 30.24 5.84 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 6 7 -1 0
MONTH TO DATE 11 20 -9 0
SINCE SEP 1 38 97 -59 32
SINCE JUL 1 38 103 -65 37
COOLING
YESTERDAY 0 1 -1 12
MONTH TO DATE 1 3 -2 24
SINCE SEP 1 188 119 69 190
SINCE JAN 1 1114 991 123 1182
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 4:00 AM
LOWEST 42 3:00 PM
AVERAGE 63
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 90 1951
MINIMUM TEMPERATURE (F) 50 32 1980
1989
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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