Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 102134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT FRI OCT 10 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 10 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 66 2:59 PM 86 1962 65 1 73
MINIMUM 50 5:04 AM 27 1964 48 2 53
AVERAGE 58 56 2 63
PRECIPITATION (IN)
TODAY 0.01 3.94 1954 0.12 -0.11 0.00
MONTH TO DATE 1.36 1.12 0.24 0.01
SINCE SEP 1 1.85 4.31 -2.46 1.33
SINCE JAN 1 24.30 31.02 -6.72 28.19
SNOWFALL (IN)
TODAY 0.0 0.0 MM 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 7 9 -2 2
MONTH TO DATE 31 78 -47 24
SINCE SEP 1 63 155 -92 39
SINCE JUL 1 68 161 -93 39
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 55 10 45 9
SINCE SEP 1 221 126 95 199
SINCE JAN 1 1213 998 215 1185
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 12:00 AM
LOWEST 50 12:00 PM
AVERAGE 58
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 87 1928
MINIMUM TEMPERATURE (F) 47 27 1906
1996
SUNRISE AND SUNSET
OCTOBER 10 2025.......SUNRISE 6:59 AM CDT SUNSET 6:18 PM CDT
OCTOBER 11 2025.......SUNRISE 7:00 AM CDT SUNSET 6:16 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$