337
CDUS43 KLOT 260635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT WED AUG 26 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 25 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 2:32 PM 95 1959 82 -1 70
1991
2003
MINIMUM 60 3:04 AM 47 1917 64 -4 55
AVERAGE 71 73 -2 63
PRECIPITATION (IN)
YESTERDAY 0.00 1.88 1972 0.13 -0.13 0.00
MONTH TO DATE 4.23 3.45 0.78 4.68
SINCE JUN 1 14.59 11.26 3.33 12.60
SINCE JAN 1 30.18 25.91 4.27 22.10
SNOWFALL (IN)
YESTERDAY 0.0 T 1941 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 2
MONTH TO DATE 0 0 0 2
SINCE JUN 1 11 33 -22 15
SINCE JUL 1 0 2 -2 2
COOLING
YESTERDAY 6 8 -2 0
MONTH TO DATE 229 232 -3 261
SINCE JUN 1 784 757 27 950
SINCE JAN 1 862 827 35 984
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 5:00 AM
LOWEST 41 3:00 PM
AVERAGE 63
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1953
1973
MINIMUM TEMPERATURE (F) 64 47 1887
SUNRISE AND SUNSET
AUGUST 26 2026........SUNRISE 6:11 AM CDT SUNSET 7:35 PM CDT
AUGUST 27 2026........SUNRISE 6:12 AM CDT SUNSET 7:33 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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