820
CDUS43 KLOT 262143
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT TUE AUG 26 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 26 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 74 2:57 PM 97 1953 81 -7 96
1973
MINIMUM 54 5:45 AM 47 1887 64 -10 79
AVERAGE 64 73 -9 88
PRECIPITATION (IN)
TODAY T 2.46 1987 0.13 -0.13 0.00
MONTH TO DATE 4.68 3.58 1.10 1.50
SINCE JUN 1 12.60 11.39 1.21 10.49
SINCE JAN 1 22.10 26.04 -3.94 25.76
SNOWFALL (IN)
TODAY 0.0 T 1929 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 T
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 1 0 1 0
MONTH TO DATE 3 0 3 0
SINCE JUN 1 16 33 -17 6
SINCE JUL 1 3 2 1 0
COOLING
TODAY 0 8 -8 23
MONTH TO DATE 261 240 21 243
SINCE JUN 1 950 765 185 837
SINCE JAN 1 984 835 149 917
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 4:00 AM
LOWEST 32 3:00 PM
AVERAGE 55
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 99 2024
MINIMUM TEMPERATURE (F) 64 47 1982
SUNRISE AND SUNSET
AUGUST 26 2025........SUNRISE 6:11 AM CDT SUNSET 7:34 PM CDT
AUGUST 27 2025........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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