291
CDUS43 KLOT 272134
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT MON JUL 27 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 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 86 9:47 AM 100 1916 84 2 88
1955
MINIMUM 70 11:26 AM 52 1985 67 3 73
AVERAGE 78 76 2 81
PRECIPITATION (IN)
TODAY 1.34 4.71 1966 0.13 1.21 0.04
MONTH TO DATE 4.90 3.19 1.71 3.58
SINCE JUN 1 9.90 7.29 2.61 7.21
SINCE JAN 1 25.49 21.94 3.55 16.71
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 11 31 -20 13
SINCE JUL 1 0 0 0 0
COOLING
TODAY 13 10 3 16
MONTH TO DATE 338 287 51 343
SINCE JUN 1 520 486 34 639
SINCE JAN 1 598 556 42 673
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
HAIL
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 79 12:00 PM
AVERAGE 88
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 100 1983
MINIMUM TEMPERATURE (F) 67 51 1984
SUNRISE AND SUNSET
JULY 27 2026..........SUNRISE 5:40 AM CDT SUNSET 8:15 PM CDT
JULY 28 2026..........SUNRISE 5:41 AM CDT SUNSET 8:14 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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