Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 062134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT MON OCT 06 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 6 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 12:53 PM 94 1963 67 16 75
MINIMUM 67 6:22 AM 28 1952 49 18 54
AVERAGE 75 58 17 65
PRECIPITATION (IN)
TODAY T 1.57 1955 0.11 -0.11 0.00
MONTH TO DATE T 0.67 -0.67 0.01
SINCE SEP 1 0.49 3.86 -3.37 1.33
SINCE JAN 1 22.94 30.57 -7.63 28.19
SNOWFALL (IN)
TODAY 0.0 T 1935 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 8 -8 0
MONTH TO DATE 0 43 -43 8
SINCE SEP 1 32 120 -88 23
SINCE JUL 1 37 126 -89 23
COOLING
TODAY 10 1 9 0
MONTH TO DATE 57 6 51 9
SINCE SEP 1 223 122 101 199
SINCE JAN 1 1215 994 221 1185
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 6:00 AM
LOWEST 49 3:00 PM
AVERAGE 61
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 2007
MINIMUM TEMPERATURE (F) 49 29 2001
SUNRISE AND SUNSET
OCTOBER 6 2025.......SUNRISE 6:54 AM CDT SUNSET 6:24 PM CDT
OCTOBER 7 2025.......SUNRISE 6:55 AM CDT SUNSET 6:22 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$