720
CDUS43 KLOT 300634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT THU APR 30 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 29 2026
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)
YESTERDAY
MAXIMUM 57 12:15 AM 88 1899 64 -7 77
1970
MINIMUM 40 11:59 PM 31 1958 45 -5 50
2008
2018
AVERAGE 49 55 -6 64
PRECIPITATION (IN)
YESTERDAY T 2.75 1909 0.15 -0.15 0.00
MONTH TO DATE 7.01 3.60 3.41 2.66
SINCE MAR 1 11.55 6.05 5.50 5.65
SINCE JAN 1 14.24 10.01 4.23 8.15
SNOWFALL (IN)
YESTERDAY 0.0 T 1909 0.0 0.0 0.0
1950
2014
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
YESTERDAY 16 11 5 1
MONTH TO DATE 328 458 -130 416
SINCE MAR 1 977 1266 -289 1046
SINCE JUL 1 5337 5735 -398 5181
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 18 0 18 8
SINCE MAR 1 19 2 17 8
SINCE JAN 1 19 2 17 8
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 53 12:00 AM
AVERAGE 73
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 91 1942
MINIMUM TEMPERATURE (F) 45 30 1873
SUNRISE AND SUNSET
APRIL 30 2026.........SUNRISE 5:49 AM CDT SUNSET 7:49 PM CDT
MAY 1 2026...........SUNRISE 5:48 AM CDT SUNSET 7:51 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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