382
CDUS43 KLOT 190645
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
145 AM CDT SUN OCT 19 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 18 2025
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)
YESTERDAY
MAXIMUM 73 2:27 PM 87 1950 62 11 69
MINIMUM 58 11:59 PM 20 1948 45 13 42
AVERAGE 66 53 13 56
PRECIPITATION (IN)
YESTERDAY 0.57 2.09 1985 0.12 0.45 0.00
MONTH TO DATE 2.12 2.03 0.09 0.30
SINCE SEP 1 2.61 5.22 -2.61 1.62
SINCE JAN 1 25.06 31.93 -6.87 28.48
SNOWFALL (IN)
YESTERDAY 0.0 0.7 1989 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
YESTERDAY 0 12 -12 9
MONTH TO DATE 59 165 -106 107
SINCE SEP 1 91 242 -151 122
SINCE JUL 1 96 248 -152 122
COOLING
YESTERDAY 1 0 1 0
MONTH TO DATE 57 12 45 13
SINCE SEP 1 223 128 95 203
SINCE JAN 1 1215 1000 215 1189
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 63 12:00 AM
AVERAGE 78
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 84 1971
MINIMUM TEMPERATURE (F) 44 21 1992
SUNRISE AND SUNSET
OCTOBER 19 2025.......SUNRISE 7:09 AM CDT SUNSET 6:03 PM CDT
OCTOBER 20 2025.......SUNRISE 7:10 AM CDT SUNSET 6:02 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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