511
CDUS43 KLOT 302138
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT FRI MAY 30 2025
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 30 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 73 1:23 PM 93 1942 75 -2 70
1953
MINIMUM 53 4:04 AM 35 1873 55 -2 45
AVERAGE 63 65 -2 58
PRECIPITATION (IN)
TODAY 0.00 1.49 2004 0.13 -0.13 0.00
MONTH TO DATE 1.35 4.35 -3.00 4.06
SINCE MAR 1 7.00 10.55 -3.55 11.12
SINCE JAN 1 9.50 14.51 -5.01 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 2 3 -1 7
MONTH TO DATE 227 195 32 68
SINCE MAR 1 1285 1471 -186 1081
SINCE JUL 1 5420 5940 -520 4769
COOLING
TODAY 0 4 -4 0
MONTH TO DATE 26 59 -33 71
SINCE MAR 1 34 69 -35 80
SINCE JAN 1 34 69 -35 80
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 3:00 AM
LOWEST 44 10:00 AM
AVERAGE 65
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 98 1934
MINIMUM TEMPERATURE (F) 56 35 1873
SUNRISE AND SUNSET
MAY 30 2025...........SUNRISE 5:19 AM CDT SUNSET 8:19 PM CDT
MAY 31 2025...........SUNRISE 5:19 AM CDT SUNSET 8:20 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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