392
CDUS43 KLOT 210633
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI AUG 21 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 20 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 78 3:25 PM 98 1947 82 -4 77
MINIMUM 65 5:49 AM 47 1950 66 -1 70
AVERAGE 72 74 -2 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.47 1951 0.12 -0.12 0.00
MONTH TO DATE 4.37 2.59 1.78 2.81
SINCE JUN 1 17.89 10.15 7.74 14.84
SINCE JAN 1 31.78 22.63 9.15 24.41
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 3 25 -22 9
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 7 9 -2 9
MONTH TO DATE 205 205 0 276
SINCE JUN 1 792 780 12 1044
SINCE JAN 1 876 862 14 1095
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 7.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 6:00 AM
LOWEST 47 11:00 AM
AVERAGE 61
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 1955
MINIMUM TEMPERATURE (F) 66 46 1950
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:06 AM CDT SUNSET 7:42 PM CDT
AUGUST 22 2026........SUNRISE 6:07 AM CDT SUNSET 7:40 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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