355
CDUS43 KLOT 172141
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT SUN MAY 17 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 17 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 87 2:09 PM 94 1962 71 16 71
MINIMUM 66 5:26 AM 36 1973 51 15 54
2002
AVERAGE 77 61 16 63
PRECIPITATION (IN)
TODAY 0.00 3.11 2020 0.15 -0.15 0.00
MONTH TO DATE 0.34 2.52 -2.18 0.33
SINCE MAR 1 12.07 8.72 3.35 5.98
SINCE JAN 1 14.76 12.68 2.08 8.48
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 1.8 6.8 -5.0 2.8
SINCE JUL 1 34.1 38.4 -4.3 17.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 6 -6 2
MONTH TO DATE 167 135 32 108
SINCE MAR 1 1162 1411 -249 1166
SINCE JUL 1 5522 5880 -358 5301
COOLING
TODAY 12 2 10 0
MONTH TO DATE 22 22 0 26
SINCE MAR 1 41 32 9 34
SINCE JAN 1 41 32 9 34
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 5:00 AM
LOWEST 43 2:00 PM
AVERAGE 65
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 93 1962
MINIMUM TEMPERATURE (F) 51 34 2002
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:29 AM CDT SUNSET 8:07 PM CDT
MAY 18 2026...........SUNRISE 5:28 AM CDT SUNSET 8:08 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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