255
CDUS43 KLOT 202141
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT SUN JUL 20 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 20 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 12:58 PM 103 1934 85 -6 81
MINIMUM 71 9:37 AM 50 1941 68 3 64
AVERAGE 75 77 -2 73
PRECIPITATION (IN)
TODAY 0.04 3.03 1978 0.12 -0.08 0.00
MONTH TO DATE 2.46 2.25 0.21 5.24
SINCE JUN 1 7.83 6.26 1.57 8.68
SINCE JAN 1 17.40 18.74 -1.34 24.66
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 24 -15 3
SINCE JUL 1 0 0 0 0
COOLING
TODAY 10 12 -2 8
MONTH TO DATE 275 230 45 225
SINCE JUN 1 599 452 147 547
SINCE JAN 1 650 534 116 660
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 4:00 AM
LOWEST 64 2:00 PM
AVERAGE 78
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 108 1934
MINIMUM TEMPERATURE (F) 68 51 1970
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 5:34 AM CDT SUNSET 8:20 PM CDT
JULY 21 2025..........SUNRISE 5:35 AM CDT SUNSET 8:20 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page