734
CDUS43 KLOT 252143
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT FRI JUL 25 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 25 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 83 11:01 AM 101 1940 84 -1 78
MINIMUM 76 5:06 AM 53 1911 67 9 62
AVERAGE 80 76 4 70
PRECIPITATION (IN)
TODAY T 1.22 1993 0.13 -0.13 0.00
MONTH TO DATE 3.51 2.93 0.58 5.75
SINCE JUN 1 7.14 7.03 0.11 8.85
SINCE JAN 1 16.64 21.68 -5.04 24.12
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 31 -18 6
SINCE JUL 1 0 0 0 0
COOLING
TODAY 15 11 4 5
MONTH TO DATE 316 266 50 241
SINCE JUN 1 612 465 147 519
SINCE JAN 1 646 535 111 599
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 4:00 AM
LOWEST 69 11:00 AM
AVERAGE 80
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 1955
MINIMUM TEMPERATURE (F) 67 53 1962
1991
SUNRISE AND SUNSET
JULY 25 2025..........SUNRISE 5:39 AM CDT SUNSET 8:17 PM CDT
JULY 26 2025..........SUNRISE 5:40 AM CDT SUNSET 8:16 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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