196
CDUS43 KLOT 210634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON SEP 21 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 20 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 69 5:18 AM 95 2018 75 -6 79
MINIMUM 61 11:59 PM 38 1937 57 4 69
1956
AVERAGE 65 66 -1 74
PRECIPITATION (IN)
YESTERDAY 1.50R 1.12 1967 0.09 1.41 0.11
MONTH TO DATE 4.47 1.87 2.60 0.37
SINCE SEP 1 4.47 1.87 2.60 0.37
SINCE JAN 1 36.61 25.90 10.71 25.19
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 2 21 -19 21
SINCE SEP 1 2 21 -19 21
SINCE JUL 1 2 25 -23 23
COOLING
YESTERDAY 0 4 -4 9
MONTH TO DATE 201 110 91 118
SINCE SEP 1 201 110 91 118
SINCE JAN 1 1172 1066 106 1259
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.7
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 84 8:00 PM
AVERAGE 92
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 2017
MINIMUM TEMPERATURE (F) 57 40 1930
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:37 AM CDT SUNSET 6:50 PM CDT
SEPTEMBER 22 2026.....SUNRISE 6:38 AM CDT SUNSET 6:48 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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