232
CDUS43 KLOT 042145
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CDT THU SEP 04 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 4 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 67 2:59 PM 95 1954 80 -13 84
1960
MINIMUM 50 6:05 AM 43 1938 63 -13 60
AVERAGE 59 71 -12 72
PRECIPITATION (IN)
TODAY 0.00 3.05 2008 0.11 -0.11 0.00
MONTH TO DATE 0.06 0.44 -0.38 0.00
SINCE SEP 1 0.06 0.44 -0.38 0.00
SINCE JAN 1 24.88 24.47 0.41 29.47
DEGREE DAYS
HEATING
TODAY 6 0 6 0
MONTH TO DATE 6 0 6 0
SINCE SEP 1 6 0 6 0
SINCE JUL 1 8 4 4 0
COOLING
TODAY 0 7 -7 7
MONTH TO DATE 11 29 -18 20
SINCE SEP 1 11 29 -18 20
SINCE JAN 1 1152 985 167 1143
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 5:00 AM
LOWEST 38 12:00 PM
AVERAGE 58
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 1954
MINIMUM TEMPERATURE (F) 63 48 1935
1974
1988
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:20 AM CDT SUNSET 7:19 PM CDT
SEPTEMBER 5 2025.....SUNRISE 6:21 AM CDT SUNSET 7:17 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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