601
CDUS43 KLOT 172135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT FRI APR 17 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 17 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 80 2:59 PM 88 1976 60 20 64
MINIMUM 49 5:08 AM 17 1875 41 8 39
AVERAGE 65 50 15 52
PRECIPITATION (IN)
TODAY 0.00 2.01 2013 0.13 -0.13 0.05
MONTH TO DATE 5.47 1.94 3.53 1.55
SINCE MAR 1 10.01 4.39 5.62 4.54
SINCE JAN 1 12.70 8.35 4.35 7.04
SNOWFALL (IN)
TODAY 0.0 3.0 2020 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.0 -1.0 T
SINCE MAR 1 1.8 6.5 -4.7 2.8
SINCE JUL 1 34.1 38.1 -4.0 17.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 15 -15 13
MONTH TO DATE 203 304 -101 328
SINCE MAR 1 852 1112 -260 958
SINCE JUL 1 5212 5581 -369 5093
COOLING
TODAY 0 0 0 0
MONTH TO DATE 16 0 16 0
SINCE MAR 1 17 2 15 0
SINCE JAN 1 17 2 15 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 51 3:00 PM
AVERAGE 76
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 89 2002
MINIMUM TEMPERATURE (F) 41 23 1875
1983
SUNRISE AND SUNSET
APRIL 17 2026.........SUNRISE 6:08 AM CDT SUNSET 7:35 PM CDT
APRIL 18 2026.........SUNRISE 6:06 AM CDT SUNSET 7:36 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page