791
CDUS43 KLOT 302138
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT THU APR 30 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 30 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 56 11:05 AM 91 1942 65 -9 61
MINIMUM 37 4:43 AM 30 1873 45 -8 44
AVERAGE 47 55 -8 53
PRECIPITATION (IN)
TODAY 0.00 2.22 2003 0.15 -0.15 T
MONTH TO DATE 7.01 3.75 3.26 2.66
SINCE MAR 1 11.55 6.20 5.35 5.65
SINCE JAN 1 14.24 10.16 4.08 8.15
SNOWFALL (IN)
TODAY 0.0 0.1 1907 0.0 0.0 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 18 10 8 12
MONTH TO DATE 346 468 -122 428
SINCE MAR 1 995 1276 -281 1058
SINCE JUL 1 5355 5745 -390 5193
COOLING
TODAY 0 0 0 0
MONTH TO DATE 18 8 10 8
SINCE MAR 1 19 10 9 8
SINCE JAN 1 19 10 9 8
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 40 11:00 AM
AVERAGE 67
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 90 1951
MINIMUM TEMPERATURE (F) 46 30 1943
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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