880
CDUS43 KLOT 222135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT WED OCT 22 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 22 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 50 1:15 PM 87 1953 60 -10 73
MINIMUM 46 8:06 AM 22 1982 43 3 55
AVERAGE 48 52 -4 64
PRECIPITATION (IN)
TODAY 0.00 2.81 1983 0.11 -0.11 0.01
MONTH TO DATE 2.53 2.46 0.07 0.31
SINCE SEP 1 3.02 5.65 -2.63 1.63
SINCE JAN 1 25.47 32.36 -6.89 28.49
SNOWFALL (IN)
TODAY 0.0 T 1935 0.0 0.0 0.0
1937
2013
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 17 14 3 1
MONTH TO DATE 113 217 -104 115
SINCE SEP 1 145 294 -149 130
SINCE JUL 1 150 300 -150 130
COOLING
TODAY 0 0 0 0
MONTH TO DATE 57 12 45 16
SINCE SEP 1 223 128 95 206
SINCE JAN 1 1215 1000 215 1192
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 15.2
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 7:00 AM
LOWEST 61 3:00 PM
AVERAGE 66
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 85 1963
MINIMUM TEMPERATURE (F) 43 20 1981
SUNRISE AND SUNSET
OCTOBER 22 2025.......SUNRISE 7:13 AM CDT SUNSET 5:59 PM CDT
OCTOBER 23 2025.......SUNRISE 7:14 AM CDT SUNSET 5:57 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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