278
CDUS43 KLOT 282134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT TUE OCT 28 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 28 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 56 2:59 PM 80 1999 57 -1 67
MINIMUM 47 6:27 AM 19 1925 41 6 43
AVERAGE 52 49 3 55
PRECIPITATION (IN)
TODAY 0.00 1.53 1874 0.11 -0.11 0.00
MONTH TO DATE 2.53 3.12 -0.59 1.15
SINCE SEP 1 3.02 6.31 -3.29 2.47
SINCE JAN 1 25.47 33.02 -7.55 29.33
SNOWFALL (IN)
TODAY 0.0 0.2 1920 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 13 16 -3 10
MONTH TO DATE 212 307 -95 186
SINCE SEP 1 244 384 -140 201
SINCE JUL 1 249 390 -141 201
COOLING
TODAY 0 0 0 0
MONTH TO DATE 57 12 45 16
SINCE SEP 1 223 128 95 206
SINCE JAN 1 1215 1000 215 1192
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 4:00 AM
LOWEST 55 1:00 PM
AVERAGE 68
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 82 2024
MINIMUM TEMPERATURE (F) 41 19 1925
SUNRISE AND SUNSET
OCTOBER 28 2025.......SUNRISE 7:20 AM CDT SUNSET 5:50 PM CDT
OCTOBER 29 2025.......SUNRISE 7:21 AM CDT SUNSET 5:49 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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