Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 272141
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT THU MAR 27 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 27 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 54 2:59 PM 82 1945 51 3 42
MINIMUM 42 1:22 AM 12 1996 34 8 29
AVERAGE 48 43 5 36
PRECIPITATION (IN)
TODAY T 1.28 1908 0.09 -0.09 0.00
MONTH TO DATE 2.80 2.10 0.70 2.90
SINCE MAR 1 2.80 2.10 0.70 2.90
SINCE JAN 1 5.30 6.06 -0.76 7.05
SNOWFALL (IN)
TODAY 0.0 2.9 1942 0.1 -0.1 0.0
MONTH TO DATE 2.8 5.1 -2.3 1.0
SINCE MAR 1 2.8 5.1 -2.3 1.0
SINCE JUL 1 17.6 36.7 -19.1 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 17 22 -5 29
MONTH TO DATE 589 722 -133 562
SINCE MAR 1 589 722 -133 562
SINCE JUL 1 4724 5191 -467 4250
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 2:00 AM
LOWEST 50 10:00 AM
AVERAGE 58
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 52 79 1986
MINIMUM TEMPERATURE (F) 34 9 1887
SUNRISE AND SUNSET
MARCH 27 2025.........SUNRISE 6:42 AM CDT SUNSET 7:12 PM CDT
MARCH 28 2025.........SUNRISE 6:41 AM CDT SUNSET 7:13 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$