658
CDUS43 KLOT 302143
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT WED JUL 30 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 30 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 80 12:19 AM 102 1916 84 -4 90
MINIMUM 73 2:57 PM 50 1984 67 6 70
AVERAGE 77 75 2 80
PRECIPITATION (IN)
TODAY 0.45 2.43 1979 0.14 0.31 0.00
MONTH TO DATE 4.06 3.58 0.48 5.89
SINCE JUN 1 7.69 7.68 0.01 8.99
SINCE JAN 1 17.19 22.33 -5.14 24.26
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 12 10 2 15
MONTH TO DATE 391 317 74 299
SINCE JUN 1 687 516 171 577
SINCE JAN 1 721 586 135 657
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 12:00 PM
LOWEST 69 4:00 AM
AVERAGE 82
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 1945
2006
MINIMUM TEMPERATURE (F) 67 51 1984
SUNRISE AND SUNSET
JULY 30 2025..........SUNRISE 5:43 AM CDT SUNSET 8:12 PM CDT
JULY 31 2025..........SUNRISE 5:44 AM CDT SUNSET 8:11 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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