Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 292137
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT TUE JUL 29 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 29 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 93 2:57 PM 101 1941 85 8 85
MINIMUM 73 3:43 AM 50 1928 68 5 73
1981
AVERAGE 83 76 7 79
PRECIPITATION (IN)
TODAY 0.00 1.47 1953 0.12 -0.12 0.07
MONTH TO DATE 6.05 3.31 2.74 6.31
SINCE JUN 1 11.42 7.32 4.10 9.75
SINCE JAN 1 20.99 19.80 1.19 25.73
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 18 11 7 14
MONTH TO DATE 424 334 90 317
SINCE JUN 1 748 556 192 639
SINCE JAN 1 799 638 161 752
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 4:00 AM
LOWEST 44 10:00 AM
AVERAGE 59
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 104 1999
MINIMUM TEMPERATURE (F) 68 51 1936
SUNRISE AND SUNSET
JULY 29 2025..........SUNRISE 5:42 AM CDT SUNSET 8:12 PM CDT
JULY 30 2025..........SUNRISE 5:43 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.
$$