786
CDUS43 KLOT 260635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT SUN OCT 26 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 25 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 56 1:14 PM 79 1963 59 -3 67
MINIMUM 36 5:22 AM 14 1887 42 -6 48
AVERAGE 46 50 -4 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.94 1883 0.11 -0.11 0.63
MONTH TO DATE 2.53 2.79 -0.26 1.15
SINCE SEP 1 3.02 5.98 -2.96 2.47
SINCE JAN 1 25.47 32.69 -7.22 29.33
SNOWFALL (IN)
YESTERDAY 0.0 0.3 1962 0.0 0.0 0.0
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
YESTERDAY 19 15 4 7
MONTH TO DATE 172 260 -88 145
SINCE SEP 1 204 337 -133 160
SINCE JUL 1 209 343 -134 160
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 12:00 AM
LOWEST 50 12:00 PM
AVERAGE 68
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 84 1963
MINIMUM TEMPERATURE (F) 42 22 1887
1942
SUNRISE AND SUNSET
OCTOBER 26 2025.......SUNRISE 7:17 AM CDT SUNSET 5:53 PM CDT
OCTOBER 27 2025.......SUNRISE 7:18 AM CDT SUNSET 5:52 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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