585
CDUS43 KLOT 270634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST SAT DEC 27 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 26 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 49 11:36 AM 62 2019 35 14 49
MINIMUM 40 11:59 PM -9 1933 22 18 39
AVERAGE 45 29 16 44
PRECIPITATION (IN)
YESTERDAY T 0.80 1936 0.05 -0.05 0.02
1988
MONTH TO DATE 0.63 1.52 -0.89 0.34
SINCE DEC 1 0.63 1.52 -0.89 0.34
SINCE JAN 1 30.32 34.15 -3.83 35.53
DEGREE DAYS
HEATING
YESTERDAY 20 36 -16 21
MONTH TO DATE 964 859 105 864
SINCE DEC 1 964 859 105 864
SINCE JUL 1 1873 1943 -70 1570
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1410 1112 298 1384
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 8:00 AM
LOWEST 62 12:00 AM
AVERAGE 81
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 61 1982
MINIMUM TEMPERATURE (F) 22 -12 1933
SUNRISE AND SUNSET
DECEMBER 27 2025......SUNRISE 7:17 AM CST SUNSET 4:27 PM CST
DECEMBER 28 2025......SUNRISE 7:18 AM CST SUNSET 4:28 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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