527
CDUS43 KLOT 250645
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
145 AM CDT TUE AUG 25 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 24 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 78 3:58 PM 100 1947 82 -4 73
2023
MINIMUM 58 5:17 AM 48 1942 64 -6 59
AVERAGE 68 73 -5 66
PRECIPITATION (IN)
YESTERDAY 0.00 2.47 1895 0.13 -0.13 0.00
MONTH TO DATE 4.23 3.32 0.91 4.68
SINCE JUN 1 14.59 11.13 3.46 12.60
SINCE JAN 1 30.18 25.78 4.40 22.10
SNOWFALL (IN)
YESTERDAY 0.0 T 1971 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 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 11 33 -22 13
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 3 8 -5 1
MONTH TO DATE 223 224 -1 261
SINCE JUN 1 778 749 29 950
SINCE JAN 1 856 819 37 984
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 4:00 AM
LOWEST 37 4:00 PM
AVERAGE 59
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 95 1959
1991
2003
MINIMUM TEMPERATURE (F) 64 47 1917
SUNRISE AND SUNSET
AUGUST 25 2026........SUNRISE 6:10 AM CDT SUNSET 7:36 PM CDT
AUGUST 26 2026........SUNRISE 6:11 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page