572
CDUS43 KLOT 162137
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT SAT AUG 16 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 16 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 95 2:47 PM 98 1983 83 12 87
1988
MINIMUM 75 5:21 AM 48 2004 65 10 67
AVERAGE 85 74 11 77
PRECIPITATION (IN)
TODAY 0.00 3.79 1968 0.15 -0.15 0.22
MONTH TO DATE 0.52 2.24 -1.72 1.32
SINCE JUN 1 8.44 10.05 -1.61 10.31
SINCE JAN 1 17.94 24.70 -6.76 25.58
SNOWFALL (IN)
TODAY 0.0 0.0 MM 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 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 13 33 -20 6
SINCE JUL 1 0 2 -2 0
COOLING
TODAY 20 9 11 12
MONTH TO DATE 201 156 45 152
SINCE JUN 1 890 681 209 746
SINCE JAN 1 924 751 173 826
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 4:00 AM
LOWEST 48 3:00 PM
AVERAGE 65
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1947
1988
MINIMUM TEMPERATURE (F) 65 48 1976
SUNRISE AND SUNSET
AUGUST 16 2025........SUNRISE 6:01 AM CDT SUNSET 7:50 PM CDT
AUGUST 17 2025........SUNRISE 6:02 AM CDT SUNSET 7:48 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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