782
CDUS43 KLOT 260632
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI SEP 26 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 25 2025
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)
YESTERDAY
MAXIMUM 77 3:25 PM 92 2017 73 4 78
MINIMUM 60 11:59 PM 30 1942 55 5 58
AVERAGE 69 64 5 68
PRECIPITATION (IN)
YESTERDAY 0.00 2.00 1931 0.09 -0.09 0.00
MONTH TO DATE 0.56 2.34 -1.78 1.78
SINCE SEP 1 0.56 2.34 -1.78 1.78
SINCE JAN 1 25.38 26.37 -0.99 31.25
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 21 37 -16 10
SINCE SEP 1 21 37 -16 10
SINCE JUL 1 23 41 -18 10
COOLING
YESTERDAY 4 3 1 3
MONTH TO DATE 157 125 32 193
SINCE SEP 1 157 125 32 193
SINCE JAN 1 1298 1081 217 1316
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 2:00 AM
LOWEST 45 2:00 PM
AVERAGE 65
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 1998
2017
MINIMUM TEMPERATURE (F) 55 30 1928
SUNRISE AND SUNSET
SEPTEMBER 26 2025.....SUNRISE 6:43 AM CDT SUNSET 6:41 PM CDT
SEPTEMBER 27 2025.....SUNRISE 6:44 AM CDT SUNSET 6:39 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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