560
CDUS43 KLOT 040633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI JUL 04 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 3 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 95 2:45 PM 102 1949 84 11 88
MINIMUM 72 5:10 AM 50 1980 66 6 73
AVERAGE 84 75 9 81
PRECIPITATION (IN)
YESTERDAY 0.00 1.57 1871 0.10 -0.10 0.09
MONTH TO DATE 0.00 0.32 -0.32 0.10
SINCE JUN 1 3.63 4.42 -0.79 3.20
SINCE JAN 1 13.13 19.07 -5.94 18.47
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 16
MONTH TO DATE 49 30 19 27
SINCE JUN 1 345 229 116 305
SINCE JAN 1 379 299 80 385
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 5:00 AM
LOWEST 37 2:00 PM
AVERAGE 57
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 102 1911
2012
MINIMUM TEMPERATURE (F) 66 50 1972
SUNRISE AND SUNSET
JULY 4 2025..........SUNRISE 5:22 AM CDT SUNSET 8:30 PM CDT
JULY 5 2025..........SUNRISE 5:22 AM CDT SUNSET 8:30 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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