688
CDUS43 KLOT 230634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT WED SEP 23 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 22 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 64 8:02 PM 95 2017 74 -10 83
MINIMUM 57 7:37 AM 34 1974 56 1 68
AVERAGE 61 65 -4 76
PRECIPITATION (IN)
YESTERDAY 0.00 1.09 1965 0.09 -0.09 0.00
MONTH TO DATE 4.49 2.06 2.43 0.43
SINCE SEP 1 4.49 2.06 2.43 0.43
SINCE JAN 1 36.63 26.09 10.54 25.25
DEGREE DAYS
HEATING
YESTERDAY 4 3 1 0
MONTH TO DATE 9 27 -18 21
SINCE SEP 1 9 27 -18 21
SINCE JUL 1 9 31 -22 23
COOLING
YESTERDAY 0 3 -3 11
MONTH TO DATE 201 116 85 140
SINCE SEP 1 201 116 85 140
SINCE JAN 1 1172 1072 100 1281
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 13.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 1:00 AM
LOWEST 56 9:00 PM
AVERAGE 66
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 95 2017
MINIMUM TEMPERATURE (F) 56 35 1947
1974
SUNRISE AND SUNSET
SEPTEMBER 23 2026.....SUNRISE 6:40 AM CDT SUNSET 6:46 PM CDT
SEPTEMBER 24 2026.....SUNRISE 6:41 AM CDT SUNSET 6:45 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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