376
CDUS43 KLOT 312135
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT SAT MAY 31 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 31 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 64 11:08 AM 98 1934 76 -12 79
MINIMUM 50 4:11 AM 35 1873 56 -6 50
AVERAGE 57 66 -9 65
PRECIPITATION (IN)
TODAY T 1.81 1942 0.14 -0.14 0.00
MONTH TO DATE 1.35 4.49 -3.14 4.06
SINCE MAR 1 7.00 10.69 -3.69 11.12
SINCE JAN 1 9.50 14.65 -5.15 15.27
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 0.0
SINCE MAR 1 2.8 6.8 -4.0 1.0
SINCE JUL 1 17.6 38.4 -20.8 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 8 3 5 0
MONTH TO DATE 235 198 37 68
SINCE MAR 1 1293 1474 -181 1081
SINCE JUL 1 5428 5943 -515 4769
COOLING
TODAY 0 4 -4 0
MONTH TO DATE 26 60 -34 71
SINCE MAR 1 34 70 -36 80
SINCE JAN 1 34 70 -36 80
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 12:00 AM
LOWEST 33 3:00 PM
AVERAGE 53
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 102 1934
MINIMUM TEMPERATURE (F) 56 37 1993
SUNRISE AND SUNSET
MAY 31 2025...........SUNRISE 5:19 AM CDT SUNSET 8:20 PM CDT
JUNE 1 2025..........SUNRISE 5:19 AM CDT SUNSET 8:21 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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