466
CDUS43 KLOT 202136
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT WED MAY 20 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 20 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 61 12:29 AM 95 1977 73 -12 58
MINIMUM 55 7:04 AM 36 1981 53 2 50
AVERAGE 58 63 -5 54
PRECIPITATION (IN)
TODAY 0.00 2.54 1975 0.13 -0.13 0.50
MONTH TO DATE 0.88 2.66 -1.78 1.10
SINCE MAR 1 10.61 8.11 2.50 7.68
SINCE JAN 1 13.17 11.05 2.12 9.04
DEGREE DAYS
HEATING
TODAY 7 5 2 11
MONTH TO DATE 171 139 32 128
SINCE MAR 1 1120 1366 -246 1105
SINCE JUL 1 5330 5689 -359 5043
COOLING
TODAY 0 3 -3 0
MONTH TO DATE 34 33 1 38
SINCE MAR 1 55 44 11 51
SINCE JAN 1 55 44 11 51
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 15.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 12:00 AM
LOWEST 47 3:00 PM
AVERAGE 59
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 1934
MINIMUM TEMPERATURE (F) 54 34 2002
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 5:26 AM CDT SUNSET 8:09 PM CDT
MAY 21 2026...........SUNRISE 5:26 AM CDT SUNSET 8:10 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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