Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 072134
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT TUE OCT 07 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 7 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 68 12:28 AM 88 2007 68 0 69
MINIMUM 60 9:56 AM 31 1935 50 10 50
2000
AVERAGE 64 59 5 60
PRECIPITATION (IN)
TODAY 1.29R 1.26 1930 0.10 1.19 0.00
MONTH TO DATE 1.41 0.76 0.65 0.08
SINCE SEP 1 1.97 3.53 -1.56 1.97
SINCE JAN 1 26.79 27.56 -0.77 31.44
DEGREE DAYS
HEATING
TODAY 1 7 -6 5
MONTH TO DATE 1 44 -43 10
SINCE SEP 1 22 103 -81 20
SINCE JUL 1 24 107 -83 20
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 62 11 51 12
SINCE SEP 1 266 147 119 231
SINCE JAN 1 1407 1103 304 1354
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 111 11:00 AM
LOWEST 52 3:00 PM
AVERAGE 82
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 88 2007
MINIMUM TEMPERATURE (F) 50 30 1952
SUNRISE AND SUNSET
OCTOBER 7 2025.......SUNRISE 6:55 AM CDT SUNSET 6:22 PM CDT
OCTOBER 8 2025.......SUNRISE 6:56 AM CDT SUNSET 6:20 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$