835
CDUS43 KLOT 082135
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT MON SEP 08 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 8 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 73 2:59 PM 98 1933 79 -6 73
MINIMUM 52 5:39 AM 45 1986 62 -10 49
AVERAGE 63 70 -7 61
PRECIPITATION (IN)
TODAY 0.00 1.37 1948 0.09 -0.09 0.00
MONTH TO DATE 0.06 0.84 -0.78 T
SINCE SEP 1 0.06 0.84 -0.78 T
SINCE JAN 1 24.88 24.87 0.01 29.47
DEGREE DAYS
HEATING
TODAY 2 1 1 4
MONTH TO DATE 21 3 18 10
SINCE SEP 1 21 3 18 10
SINCE JUL 1 23 7 16 10
COOLING
TODAY 0 6 -6 0
MONTH TO DATE 11 54 -43 34
SINCE SEP 1 11 54 -43 34
SINCE JAN 1 1152 1010 142 1157
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 66 3:00 AM
LOWEST 33 2:00 PM
AVERAGE 50
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 1955
1959
1983
MINIMUM TEMPERATURE (F) 61 47 1943
1975
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:24 AM CDT SUNSET 7:12 PM CDT
SEPTEMBER 9 2025.....SUNRISE 6:25 AM CDT SUNSET 7:10 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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