Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 122145
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CDT SUN OCT 12 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 12 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 69 2:42 PM 86 1930 65 4 70
2008
MINIMUM 51 6:45 AM 30 1987 48 3 59
AVERAGE 60 57 3 65
PRECIPITATION (IN)
TODAY 0.00 1.40 1973 0.13 -0.13 0.00
MONTH TO DATE 1.41 1.36 0.05 0.08
SINCE SEP 1 1.97 4.13 -2.16 1.97
SINCE JAN 1 26.79 28.16 -1.37 31.44
DEGREE DAYS
HEATING
TODAY 5 9 -4 0
MONTH TO DATE 36 86 -50 17
SINCE SEP 1 57 145 -88 27
SINCE JUL 1 59 149 -90 27
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 62 16 46 16
SINCE SEP 1 266 152 114 235
SINCE JAN 1 1407 1108 299 1358
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 3:00 AM
LOWEST 50 12:00 PM
AVERAGE 67
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 88 1975
MINIMUM TEMPERATURE (F) 48 30 1987
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 7:00 AM CDT SUNSET 6:14 PM CDT
OCTOBER 13 2025.......SUNRISE 7:01 AM CDT SUNSET 6:12 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$