275
CDUS43 KLOT 270631
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SUN SEP 27 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 26 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 68 2:07 PM 93 1998 73 -5 84
2017
MINIMUM 54 5:01 AM 30 1928 55 -1 58
AVERAGE 61 64 -3 71
PRECIPITATION (IN)
YESTERDAY 0.00 2.72 1986 0.09 -0.09 0.00
MONTH TO DATE 4.49 2.43 2.06 0.56
SINCE SEP 1 4.49 2.43 2.06 0.56
SINCE JAN 1 36.63 26.46 10.17 25.38
DEGREE DAYS
HEATING
YESTERDAY 4 4 0 0
MONTH TO DATE 20 41 -21 21
SINCE SEP 1 20 41 -21 21
SINCE JUL 1 20 45 -25 23
COOLING
YESTERDAY 0 2 -2 6
MONTH TO DATE 201 127 74 163
SINCE SEP 1 201 127 74 163
SINCE JAN 1 1172 1083 89 1304
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 4.8
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 11:00 PM
LOWEST 47 12:00 PM
AVERAGE 66
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1971
MINIMUM TEMPERATURE (F) 54 31 1942
SUNRISE AND SUNSET
SEPTEMBER 27 2026.....SUNRISE 6:44 AM CDT SUNSET 6:39 PM CDT
SEPTEMBER 28 2026.....SUNRISE 6:45 AM CDT SUNSET 6:38 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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