164
CDUS43 KLOT 180648
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
148 AM CDT WED MAR 18 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 17 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 24 11:36 PM 82 2012 48 -24 53
MINIMUM 14 7:17 AM -1 1900 31 -17 26
AVERAGE 19 39 -20 40
PRECIPITATION (IN)
YESTERDAY T 1.42 1965 0.08 -0.08 0.00
MONTH TO DATE 4.23 1.30 2.93 1.82
SINCE MAR 1 4.23 1.30 2.93 1.82
SINCE JAN 1 6.92 5.26 1.66 4.32
SNOWFALL (IN)
YESTERDAY 0.1 4.1 1984 0.2 -0.1 0.0
MONTH TO DATE 1.5 3.9 -2.4 1.1
SINCE MAR 1 1.5 3.9 -2.4 1.1
SINCE JUL 1 33.8 35.5 -1.7 15.9
SNOW DEPTH 1
DEGREE DAYS
HEATING
YESTERDAY 46 26 20 25
MONTH TO DATE 418 484 -66 381
SINCE MAR 1 418 484 -66 381
SINCE JUL 1 4778 4953 -175 4516
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 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 11:00 PM
LOWEST 38 2:00 PM
AVERAGE 53
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 81 2012
MINIMUM TEMPERATURE (F) 32 3 1923
SUNRISE AND SUNSET
MARCH 18 2026.........SUNRISE 6:58 AM CDT SUNSET 7:02 PM CDT
MARCH 19 2026.........SUNRISE 6:56 AM CDT SUNSET 7:03 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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