Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 230636
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT SAT AUG 23 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 22 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 82 3:40 PM 103 1936 82 0 80
MINIMUM 66 2:41 AM 51 1928 66 0 56
AVERAGE 74 74 0 68
PRECIPITATION (IN)
YESTERDAY 0.00 3.17 2014 0.12 -0.12 0.00
MONTH TO DATE 2.81 2.84 -0.03 2.86
SINCE JUN 1 14.84 10.40 4.44 12.61
SINCE JAN 1 24.41 22.88 1.53 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 9 9 0 3
MONTH TO DATE 292 223 69 202
SINCE JUN 1 1060 798 262 876
SINCE JAN 1 1111 880 231 989
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 3:00 AM
LOWEST 53 4:00 PM
AVERAGE 69
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 2023
MINIMUM TEMPERATURE (F) 66 52 1940
SUNRISE AND SUNSET
AUGUST 23 2025........SUNRISE 6:08 AM CDT SUNSET 7:38 PM CDT
AUGUST 24 2025........SUNRISE 6:09 AM CDT SUNSET 7:37 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$