514
CDUS43 KLOT 312158
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
458 PM CDT MON AUG 31 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 31 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 91 1:47 PM 99 1953 81 10 77
MINIMUM 72 9:17 AM 46 1935 64 8 58
AVERAGE 82 72 10 68
PRECIPITATION (IN)
TODAY 0.15 1.62 1980 0.13 0.02 0.00
MONTH TO DATE 4.68 3.99 0.69 3.22
SINCE JUN 1 18.20 11.55 6.65 15.25
SINCE JAN 1 32.09 24.03 8.06 24.82
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE JUN 1 3 25 -22 11
SINCE JUL 1 0 1 -1 2
COOLING
TODAY 17 8 9 3
MONTH TO DATE 300 299 1 322
SINCE JUN 1 887 874 13 1090
SINCE JAN 1 971 956 15 1141
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 7:00 AM
LOWEST 50 2:00 PM
AVERAGE 69
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 101 1953
MINIMUM TEMPERATURE (F) 64 45 1949
SUNRISE AND SUNSET
AUGUST 31 2026........SUNRISE 6:16 AM CDT SUNSET 7:26 PM CDT
SEPTEMBER 1 2026.....SUNRISE 6:17 AM CDT SUNSET 7:24 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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