Climatological Report (Daily)
Issued by NWS
Issued by NWS
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835
CDUS43 KLOT 180642
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1242 AM CST TUE NOV 18 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 17 2025...
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)
YESTERDAY
MAXIMUM 47 2:20 PM 74 1952 48 -1 59
1971
1975
MINIMUM 31 7:05 AM 3 1959 34 -3 46
AVERAGE 39 40 -1 53
PRECIPITATION (IN)
YESTERDAY 0.00 1.43 1892 0.08 -0.08 0.03
MONTH TO DATE 0.75 1.42 -0.67 2.87
SINCE SEP 1 3.91 8.04 -4.13 5.37
SINCE JAN 1 26.36 34.75 -8.39 32.23
SNOWFALL (IN)
YESTERDAY 0.0 3.8 1927 0.0 0.0 0.0
MONTH TO DATE 1.7 0.5 1.2 0.0
SINCE SEP 1 1.7 0.7 1.0 0.0
SINCE JUL 1 1.7 0.7 1.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 26 24 2 12
MONTH TO DATE 326 356 -30 215
SINCE SEP 1 617 788 -171 424
SINCE JUL 1 622 794 -172 424
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 223 131 92 226
SINCE JAN 1 1215 1003 212 1212
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 11:00 PM
LOWEST 31 4:00 PM
AVERAGE 47
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 72 1953
MINIMUM TEMPERATURE (F) 33 8 1880
SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE 6:45 AM CST SUNSET 4:28 PM CST
NOVEMBER 19 2025......SUNRISE 6:47 AM CST SUNSET 4:27 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$