618
CDUS43 KLOT 272136
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT MON APR 27 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 27 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 66 2:59 PM 87 1986 64 2 69
2021
MINIMUM 47 12:10 AM 29 1945 44 3 39
AVERAGE 57 54 3 54
PRECIPITATION (IN)
TODAY 0.54 2.13 1959 0.14 0.40 0.00
MONTH TO DATE 6.63 3.30 3.33 2.66
SINCE MAR 1 11.17 5.75 5.42 5.65
SINCE JAN 1 13.86 9.71 4.15 8.15
SNOWFALL (IN)
TODAY 0.0 2.5 2019 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.3 -1.3 T
SINCE MAR 1 1.8 6.8 -5.0 2.8
SINCE JUL 1 34.1 38.4 -4.3 17.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 8 12 -4 11
MONTH TO DATE 305 436 -131 415
SINCE MAR 1 954 1244 -290 1045
SINCE JUL 1 5314 5713 -399 5180
COOLING
TODAY 0 0 0 0
MONTH TO DATE 18 0 18 4
SINCE MAR 1 19 2 17 4
SINCE JAN 1 19 2 17 4
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 11.7
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 PM
LOWEST 74 8:00 AM
AVERAGE 84
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 86 1915
MINIMUM TEMPERATURE (F) 45 28 1992
SUNRISE AND SUNSET
APRIL 27 2026.........SUNRISE 5:53 AM CDT SUNSET 7:46 PM CDT
APRIL 28 2026.........SUNRISE 5:52 AM CDT SUNSET 7:47 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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