Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 100650
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT FRI OCT 10 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 9 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 63 3:00 PM 87 2010 67 -4 70
MINIMUM 48 3:48 AM 32 1945 49 -1 53
1964
AVERAGE 56 58 -2 62
PRECIPITATION (IN)
YESTERDAY 0.00 2.27 1954 0.12 -0.12 0.00
MONTH TO DATE 1.41 0.99 0.42 0.08
SINCE SEP 1 1.97 3.76 -1.79 1.97
SINCE JAN 1 26.79 27.79 -1.00 31.44
DEGREE DAYS
HEATING
YESTERDAY 9 8 1 3
MONTH TO DATE 20 60 -40 16
SINCE SEP 1 41 119 -78 26
SINCE JUL 1 43 123 -80 26
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 62 13 49 12
SINCE SEP 1 266 149 117 231
SINCE JAN 1 1407 1105 302 1354
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 1:00 AM
LOWEST 44 12:00 PM
AVERAGE 58
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1938
MINIMUM TEMPERATURE (F) 49 27 1964
SUNRISE AND SUNSET
OCTOBER 10 2025.......SUNRISE 6:58 AM CDT SUNSET 6:17 PM CDT
OCTOBER 11 2025.......SUNRISE 6:59 AM CDT SUNSET 6:15 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$