698
CDUS43 KLOT 212235
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST SUN DEC 21 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 21 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 33 3:51 PM 62 1967 36 -3 29
MINIMUM 19 7:55 AM -13 1989 24 -5 17
AVERAGE 26 30 -4 23
PRECIPITATION (IN)
TODAY 0.00 1.81 1949 0.05 -0.05 0.00
MONTH TO DATE 0.63 1.26 -0.63 0.32
SINCE DEC 1 0.63 1.26 -0.63 0.32
SINCE JAN 1 30.32 33.89 -3.57 35.51
DEGREE DAYS
HEATING
TODAY 39 35 4 42
MONTH TO DATE 850 679 171 721
SINCE DEC 1 850 679 171 721
SINCE JUL 1 1759 1763 -4 1427
COOLING
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 5:00 AM
LOWEST 36 3:00 PM
AVERAGE 48
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 57 1957
MINIMUM TEMPERATURE (F) 23 -12 1983
1989
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 7:15 AM CST SUNSET 4:23 PM CST
DECEMBER 22 2025......SUNRISE 7:16 AM CST SUNSET 4:24 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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