459
CDUS43 KLOT 312132
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT FRI OCT 31 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 31 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 56 12:51 PM 84 1950 56 0 72
MINIMUM 41 6:57 AM 26 2019 41 0 44
AVERAGE 49 48 1 58
PRECIPITATION (IN)
TODAY 0.00 2.63 1994 0.10 -0.10 0.01
MONTH TO DATE 2.78 3.48 -0.70 1.22
SINCE SEP 1 3.34 6.25 -2.91 3.11
SINCE JAN 1 28.16 30.28 -2.12 32.58
DEGREE DAYS
HEATING
TODAY 16 17 -1 7
MONTH TO DATE 237 330 -93 172
SINCE SEP 1 258 389 -131 182
SINCE JUL 1 260 393 -133 182
COOLING
TODAY 0 0 0 0
MONTH TO DATE 65 20 45 40
SINCE SEP 1 269 156 113 259
SINCE JAN 1 1410 1112 298 1382
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 7:00 AM
LOWEST 35 12:00 PM
AVERAGE 62
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 81 1950
MINIMUM TEMPERATURE (F) 40 22 1930
SUNRISE AND SUNSET
OCTOBER 31 2025.......SUNRISE 7:22 AM CDT SUNSET 5:46 PM CDT
NOVEMBER 1 2025......SUNRISE 7:24 AM CDT SUNSET 5:45 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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