966
CDUS43 KLOT 110634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI SEP 11 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 10 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 76 4:10 PM 96 2013 78 -2 83
MINIMUM 65 11:53 PM 44 1943 61 4 64
AVERAGE 71 70 1 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.61 2014 0.09 -0.09 0.00
MONTH TO DATE 0.04 1.02 -0.98 0.06
SINCE SEP 1 0.04 1.02 -0.98 0.06
SINCE JAN 1 32.18 25.05 7.13 24.88
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 5 -5 21
SINCE SEP 1 0 5 -5 21
SINCE JUL 1 0 9 -9 23
COOLING
YESTERDAY 6 6 0 9
MONTH TO DATE 145 66 79 21
SINCE SEP 1 145 66 79 21
SINCE JAN 1 1116 1022 94 1162
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 46 4:00 PM
AVERAGE 72
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1931
1952
MINIMUM TEMPERATURE (F) 61 44 1940
1943
SUNRISE AND SUNSET
SEPTEMBER 11 2026.....SUNRISE 6:27 AM CDT SUNSET 7:07 PM CDT
SEPTEMBER 12 2026.....SUNRISE 6:28 AM CDT SUNSET 7:05 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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