179
CDUS43 KLOT 272139
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT MON OCT 27 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 27 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 57 2:59 PM 82 1940 58 -1 59
MINIMUM 46 MM 24 1942 42 4 40
AVERAGE 52 50 2 50
PRECIPITATION (IN)
TODAY 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
TODAY 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
TODAY 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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 12.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 2:00 AM
LOWEST 43 11:00 AM
AVERAGE 62
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 81 1999
MINIMUM TEMPERATURE (F) 42 25 1976
SUNRISE AND SUNSET
OCTOBER 27 2025.......SUNRISE 7:18 AM CDT SUNSET 5:51 PM CDT
OCTOBER 28 2025.......SUNRISE 7:19 AM CDT SUNSET 5:50 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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