Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 240631
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SUN AUG 24 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 23 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 86 1:49 PM 98 2023 82 4 82
MINIMUM 66 11:59 PM 52 1940 66 0 61
AVERAGE 76 74 2 72
PRECIPITATION (IN)
YESTERDAY 0.00 2.49 2007 0.13 -0.13 0.00
MONTH TO DATE 2.81 2.97 -0.16 2.86
SINCE JUN 1 14.84 10.53 4.31 12.61
SINCE JAN 1 24.41 23.01 1.40 28.59
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 25 -16 3
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 11 9 2 7
MONTH TO DATE 303 232 71 209
SINCE JUN 1 1071 807 264 883
SINCE JAN 1 1122 889 233 996
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 6:00 AM
LOWEST 38 3:00 PM
AVERAGE 58
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 100 1947
2023
MINIMUM TEMPERATURE (F) 66 48 1942
SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE 6:09 AM CDT SUNSET 7:37 PM CDT
AUGUST 25 2025........SUNRISE 6:10 AM CDT SUNSET 7:35 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$