040
CDUS43 KLOT 252135
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT FRI SEP 25 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 25 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 64 2:59 PM 92 2017 73 -9 77
MINIMUM 60 7:06 AM 30 1942 55 5 60
AVERAGE 62 64 -2 69
PRECIPITATION (IN)
TODAY 0.00 2.00 1931 0.09 -0.09 0.00
MONTH TO DATE 4.49 2.34 2.15 0.56
SINCE SEP 1 4.49 2.34 2.15 0.56
SINCE JAN 1 36.63 26.37 10.26 25.38
DEGREE DAYS
HEATING
TODAY 3 4 -1 0
MONTH TO DATE 14 37 -23 21
SINCE SEP 1 14 37 -23 21
SINCE JUL 1 14 41 -27 23
COOLING
TODAY 0 3 -3 4
MONTH TO DATE 201 125 76 157
SINCE SEP 1 201 125 76 157
SINCE JAN 1 1172 1081 91 1298
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.4
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 2:00 AM
LOWEST 54 2:00 PM
AVERAGE 71
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 93 1998
2017
MINIMUM TEMPERATURE (F) 55 30 1928
SUNRISE AND SUNSET
SEPTEMBER 25 2026.....SUNRISE 6:42 AM CDT SUNSET 6:43 PM CDT
SEPTEMBER 26 2026.....SUNRISE 6:43 AM CDT SUNSET 6:41 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page