697
CDUS43 KLOT 132136
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT SAT SEP 13 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 13 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 2:59 PM 99 1939 78 -1 85
MINIMUM 65 7:57 AM 40 1953 60 5 68
AVERAGE 71 69 2 77
PRECIPITATION (IN)
TODAY 0.20 3.62 2008 0.08 0.12 0.00
MONTH TO DATE 0.26 1.26 -1.00 T
SINCE SEP 1 0.26 1.26 -1.00 T
SINCE JAN 1 25.08 25.29 -0.21 29.47
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 21 8 13 10
SINCE SEP 1 21 8 13 10
SINCE JUL 1 23 12 11 10
COOLING
TODAY 6 5 1 12
MONTH TO DATE 44 81 -37 77
SINCE SEP 1 44 81 -37 77
SINCE JAN 1 1185 1037 148 1200
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 10.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 8:00 AM
LOWEST 48 12:00 AM
AVERAGE 69
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 101 1939
MINIMUM TEMPERATURE (F) 60 42 1937
1949
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 6:29 AM CDT SUNSET 7:03 PM CDT
SEPTEMBER 14 2025.....SUNRISE 6:30 AM CDT SUNSET 7:02 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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