693
CDUS43 KLOT 280636
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT TUE OCT 28 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 27 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 4:44 PM 82 1940 58 -1 59
MINIMUM 46 MM 24 1942 42 4 40
AVERAGE 52 50 2 50
PRECIPITATION (IN)
YESTERDAY 0.00 1.56 1947 0.11 -0.11 0.00
MONTH TO DATE 2.78 3.06 -0.28 1.21
SINCE SEP 1 3.34 5.83 -2.49 3.10
SINCE JAN 1 28.16 29.86 -1.70 32.57
DEGREE DAYS
HEATING
YESTERDAY 13 15 -2 15
MONTH TO DATE 181 266 -85 157
SINCE SEP 1 202 325 -123 167
SINCE JUL 1 204 329 -125 167
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 65 17 48 19
SINCE SEP 1 269 153 116 238
SINCE JAN 1 1410 1109 301 1361
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 12.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 2:00 AM
LOWEST 43 11:00 AM
AVERAGE 62
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 81 1999
MINIMUM TEMPERATURE (F) 42 25 1976
SUNRISE AND SUNSET
OCTOBER 28 2025.......SUNRISE 7:19 AM CDT SUNSET 5:50 PM CDT
OCTOBER 29 2025.......SUNRISE 7:20 AM CDT SUNSET 5:49 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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