549
CDUS43 KLOT 310657
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
157 AM CDT FRI OCT 31 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 30 2025
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)
YESTERDAY
MAXIMUM 57 2:41 PM 85 1950 57 0 81
MINIMUM 42 6:53 AM 25 1928 41 1 69
1980
1988
AVERAGE 50 49 1 75
PRECIPITATION (IN)
YESTERDAY 0.00 1.24 2009 0.10 -0.10 0.00
MONTH TO DATE 2.78 3.38 -0.60 1.21
SINCE SEP 1 3.34 6.15 -2.81 3.10
SINCE JAN 1 28.16 30.18 -2.02 32.57
DEGREE DAYS
HEATING
YESTERDAY 15 16 -1 0
MONTH TO DATE 221 313 -92 165
SINCE SEP 1 242 372 -130 175
SINCE JUL 1 244 376 -132 175
COOLING
YESTERDAY 0 0 0 10
MONTH TO DATE 65 17 48 40
SINCE SEP 1 269 153 116 259
SINCE JAN 1 1410 1109 301 1382
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 7:00 AM
LOWEST 52 1:00 PM
AVERAGE 71
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 84 1950
MINIMUM TEMPERATURE (F) 41 26 2019
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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