Climatological Report (Daily)
Issued by NWS
Issued by NWS
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026
CDUS43 KLOT 290634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE JUL 29 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 28 2025...
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)
YESTERDAY
MAXIMUM 92 4:01 PM 100 1983 84 8 85
MINIMUM 75 11:59 PM 51 1984 67 8 70
AVERAGE 84 75 9 78
PRECIPITATION (IN)
YESTERDAY 0.03 2.91 1906 0.12 -0.09 0.03
MONTH TO DATE 3.61 3.31 0.30 5.78
SINCE JUN 1 7.24 7.41 -0.17 8.88
SINCE JAN 1 16.74 22.06 -5.32 24.15
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 19 10 9 13
MONTH TO DATE 362 297 65 271
SINCE JUN 1 658 496 162 549
SINCE JAN 1 692 566 126 629
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 42 7:00 PM
AVERAGE 69
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 1913
MINIMUM TEMPERATURE (F) 67 50 1984
SUNRISE AND SUNSET
JULY 29 2025..........SUNRISE 5:42 AM CDT SUNSET 8:13 PM CDT
JULY 30 2025..........SUNRISE 5:43 AM CDT SUNSET 8:12 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$