727
CDUS43 KLOT 100639
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT THU SEP 10 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 9 2026
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)
YESTERDAY
MAXIMUM 80 5:12 PM 95 1955 79 1 77
1959
1983
MINIMUM 71 11:59 PM 47 1943 61 10 54
1975
AVERAGE 76 70 6 66
PRECIPITATION (IN)
YESTERDAY 0.04 3.25 1992 0.09 -0.05 0.00
MONTH TO DATE 0.04 0.93 -0.89 0.06
SINCE SEP 1 0.04 0.93 -0.89 0.06
SINCE JAN 1 32.18 24.96 7.22 24.88
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 4 -4 21
SINCE SEP 1 0 4 -4 21
SINCE JUL 1 0 8 -8 23
COOLING
YESTERDAY 11 6 5 1
MONTH TO DATE 139 60 79 12
SINCE SEP 1 139 60 79 12
SINCE JAN 1 1110 1016 94 1153
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 62 12:00 AM
AVERAGE 78
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 2013
MINIMUM TEMPERATURE (F) 61 44 1943
SUNRISE AND SUNSET
SEPTEMBER 10 2026.....SUNRISE 6:26 AM CDT SUNSET 7:09 PM CDT
SEPTEMBER 11 2026.....SUNRISE 6:27 AM CDT SUNSET 7:07 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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