339
CDUS43 KLOT 172134
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT THU JUL 17 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 17 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 75 9:11 AM 100 1942 85 -10 84
MINIMUM 67 1:43 PM 51 1940 68 -1 69
AVERAGE 71 77 -6 77
PRECIPITATION (IN)
TODAY T 5.72 1996 0.11 -0.11 0.00
MONTH TO DATE 2.25 1.91 0.34 5.24
SINCE JUN 1 7.62 5.92 1.70 8.68
SINCE JAN 1 17.19 18.40 -1.21 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 6 12 -6 12
MONTH TO DATE 245 194 51 206
SINCE JUN 1 569 416 153 528
SINCE JAN 1 620 498 122 641
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 PM
LOWEST 66 8:00 AM
AVERAGE 77
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 101 1930
MINIMUM TEMPERATURE (F) 68 53 1979
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:31 AM CDT SUNSET 8:23 PM CDT
JULY 18 2025..........SUNRISE 5:32 AM CDT SUNSET 8:22 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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