543
CDUS43 KLOT 202152
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
452 PM CDT MON OCT 20 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 20 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 66 2:59 PM 86 1953 62 4 79
MINIMUM 41 6:26 AM 20 1930 45 -4 49
AVERAGE 54 53 1 64
PRECIPITATION (IN)
TODAY 0.00 0.86 1934 0.11 -0.11 0.00
MONTH TO DATE 2.72 2.29 0.43 0.51
SINCE SEP 1 3.28 5.06 -1.78 2.40
SINCE JAN 1 28.10 29.09 -0.99 31.87
DEGREE DAYS
HEATING
TODAY 11 12 -1 1
MONTH TO DATE 68 171 -103 102
SINCE SEP 1 89 230 -141 112
SINCE JUL 1 91 234 -143 112
COOLING
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 5:00 AM
LOWEST 30 2:00 PM
AVERAGE 56
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 87 1953
MINIMUM TEMPERATURE (F) 45 26 1952
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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