866
CDUS43 KLOT 130635
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT WED AUG 13 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 12 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 88 12:03 PM 100 1995 83 5 81
MINIMUM 72 3:22 PM 50 1930 67 5 61
AVERAGE 80 75 5 71
PRECIPITATION (IN)
YESTERDAY 0.18 2.21 2016 0.13 0.05 0.00
MONTH TO DATE 0.35 1.49 -1.14 0.94
SINCE JUN 1 12.38 9.05 3.33 10.69
SINCE JAN 1 21.95 21.53 0.42 26.67
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 15 10 5 6
MONTH TO DATE 166 127 39 126
SINCE JUN 1 934 702 232 800
SINCE JAN 1 985 784 201 913
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 10:00 PM
LOWEST 59 12:00 PM
AVERAGE 75
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1936
MINIMUM TEMPERATURE (F) 67 52 1967
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 5:58 AM CDT SUNSET 7:53 PM CDT
AUGUST 14 2025........SUNRISE 5:59 AM CDT SUNSET 7:52 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