986
CDUS43 KLOT 200634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON OCT 20 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 19 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 60 12:16 AM 84 1971 62 -2 72
MINIMUM 47 11:59 PM 24 1930 45 2 44
AVERAGE 54 54 0 58
PRECIPITATION (IN)
YESTERDAY 0.58 1.41 1961 0.11 0.47 0.00
MONTH TO DATE 2.72 2.18 0.54 0.51
SINCE SEP 1 3.28 4.95 -1.67 2.40
SINCE JAN 1 28.10 28.98 -0.88 31.87
DEGREE DAYS
HEATING
YESTERDAY 11 12 -1 7
MONTH TO DATE 57 159 -102 101
SINCE SEP 1 78 218 -140 111
SINCE JUL 1 80 222 -142 111
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 65 17 48 16
SINCE SEP 1 269 153 116 235
SINCE JAN 1 1410 1109 301 1358
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 12.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 39 4:00 PM
AVERAGE 68
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 86 1953
MINIMUM TEMPERATURE (F) 45 20 1930
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 7:09 AM CDT SUNSET 6:01 PM CDT
OCTOBER 21 2025.......SUNRISE 7:10 AM CDT SUNSET 6:00 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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