226
CDUS43 KLOT 182133
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT SAT APR 18 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 18 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 63 12:12 AM 89 2002 60 3 76
MINIMUM 44 9:49 AM 23 1875 41 3 60
1983
AVERAGE 54 50 4 68
PRECIPITATION (IN)
TODAY 0.11 3.83 1975 0.14 -0.03 0.06
MONTH TO DATE 6.08 2.08 4.00 1.61
SINCE MAR 1 10.62 4.53 6.09 4.60
SINCE JAN 1 13.31 8.49 4.82 7.10
SNOWFALL (IN)
TODAY 0.0 0.6 2011 0.0 0.0 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 11 15 -4 0
MONTH TO DATE 214 319 -105 328
SINCE MAR 1 863 1127 -264 958
SINCE JUL 1 5223 5596 -373 5093
COOLING
TODAY 0 0 0 3
MONTH TO DATE 16 0 16 3
SINCE MAR 1 17 2 15 3
SINCE JAN 1 17 2 15 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 16.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 46 2:00 PM
AVERAGE 70
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 86 1985
MINIMUM TEMPERATURE (F) 41 22 1983
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 6:06 AM CDT SUNSET 7:36 PM CDT
APRIL 19 2026.........SUNRISE 6:05 AM CDT SUNSET 7:37 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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