538
CDUS43 KLOT 292134
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT TUE SEP 29 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 29 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 80 2:33 PM 99 1953 71 9 90
MINIMUM 53 5:56 AM 33 1942 53 0 65
AVERAGE 67 62 5 78
PRECIPITATION (IN)
TODAY 0.00 1.13 1929 0.08 -0.08 0.00
MONTH TO DATE 4.49 2.68 1.81 0.56
SINCE SEP 1 4.49 2.68 1.81 0.56
SINCE JAN 1 36.63 26.71 9.92 25.38
DEGREE DAYS
HEATING
TODAY 0 5 -5 0
MONTH TO DATE 27 54 -27 21
SINCE SEP 1 27 54 -27 21
SINCE JUL 1 27 58 -31 23
COOLING
TODAY 2 2 0 13
MONTH TO DATE 203 133 70 194
SINCE SEP 1 203 133 70 194
SINCE JAN 1 1174 1089 85 1335
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 34 3:00 PM
AVERAGE 66
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 1971
MINIMUM TEMPERATURE (F) 53 34 1984
SUNRISE AND SUNSET
SEPTEMBER 29 2026.....SUNRISE 6:46 AM CDT SUNSET 6:36 PM CDT
SEPTEMBER 30 2026.....SUNRISE 6:47 AM CDT SUNSET 6:34 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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