186
CDUS43 KLOT 210727
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
227 AM CDT SAT MAR 21 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 20 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 72 1:42 PM 85 2012 49 23 44
MINIMUM 40 1:05 AM 4 1885 32 8 31
AVERAGE 56 40 16 38
PRECIPITATION (IN)
YESTERDAY 0.00 0.96 1935 0.08 -0.08 0.22
MONTH TO DATE 4.24 1.54 2.70 2.58
SINCE MAR 1 4.24 1.54 2.70 2.58
SINCE JAN 1 6.93 5.50 1.43 5.08
SNOWFALL (IN)
YESTERDAY 0.0 6.0 1964 0.2 -0.2 1.7
MONTH TO DATE 1.8 4.4 -2.6 2.8
SINCE MAR 1 1.8 4.4 -2.6 2.8
SINCE JUL 1 34.1 36.0 -1.9 17.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 25 -16 27
MONTH TO DATE 474 559 -85 440
SINCE MAR 1 474 559 -85 440
SINCE JUL 1 4834 5028 -194 4575
COOLING
YESTERDAY 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 21 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 1:00 AM
LOWEST 41 1:00 PM
AVERAGE 59
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 87 2012
MINIMUM TEMPERATURE (F) 33 9 1885
1888
SUNRISE AND SUNSET
MARCH 21 2026.........SUNRISE 6:53 AM CDT SUNSET 7:05 PM CDT
MARCH 22 2026.........SUNRISE 6:51 AM CDT SUNSET 7:06 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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