Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 082142
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
442 PM CDT WED OCT 08 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 8 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 65 12:37 PM 88 2007 67 -2 74
MINIMUM 51 5:56 AM 30 1952 50 1 50
AVERAGE 58 58 0 62
PRECIPITATION (IN)
TODAY 0.00 1.32 1990 0.11 -0.11 0.00
MONTH TO DATE 1.41 0.87 0.54 0.08
SINCE SEP 1 1.97 3.64 -1.67 1.97
SINCE JAN 1 26.79 27.67 -0.88 31.44
DEGREE DAYS
HEATING
TODAY 7 8 -1 3
MONTH TO DATE 11 52 -41 13
SINCE SEP 1 32 111 -79 23
SINCE JUL 1 34 115 -81 23
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 62 12 50 12
SINCE SEP 1 266 148 118 231
SINCE JAN 1 1407 1104 303 1354
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 6:00 AM
LOWEST 50 3:00 PM
AVERAGE 65
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 2010
MINIMUM TEMPERATURE (F) 49 32 1945
1964
SUNRISE AND SUNSET
OCTOBER 8 2025.......SUNRISE 6:56 AM CDT SUNSET 6:20 PM CDT
OCTOBER 9 2025.......SUNRISE 6:57 AM CDT SUNSET 6:19 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$