792
CDUS43 KLOT 202202
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
502 PM CDT SUN SEP 20 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 20 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 69 5:18 AM 95 2018 75 -6 79
MINIMUM 65 2:59 PM 38 1937 57 8 69
1956
AVERAGE 67 66 1 74
PRECIPITATION (IN)
TODAY 1.43R 1.12 1967 0.09 1.34 0.11
MONTH TO DATE 4.40 1.87 2.53 0.37
SINCE SEP 1 4.40 1.87 2.53 0.37
SINCE JAN 1 36.54 25.90 10.64 25.19
DEGREE DAYS
HEATING
TODAY 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
TODAY 2 4 -2 9
MONTH TO DATE 203 110 93 118
SINCE SEP 1 203 110 93 118
SINCE JAN 1 1174 1066 108 1259
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 87 9:00 AM
AVERAGE 94
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 2017
MINIMUM TEMPERATURE (F) 57 40 1930
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:36 AM CDT SUNSET 6:52 PM CDT
SEPTEMBER 21 2026.....SUNRISE 6:37 AM CDT SUNSET 6:50 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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