Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 032136
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT WED SEP 03 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 3 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 1:37 PM 97 1953 80 -7 78
MINIMUM 64 5:47 AM 47 1974 63 1 60
AVERAGE 69 72 -3 69
PRECIPITATION (IN)
TODAY T 1.92 1961 0.10 -0.10 0.00
MONTH TO DATE T 0.33 -0.33 0.00
SINCE SEP 1 T 0.33 -0.33 0.00
SINCE JAN 1 24.82 24.36 0.46 29.47
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 2 4 -2 0
COOLING
TODAY 4 7 -3 4
MONTH TO DATE 14 22 -8 13
SINCE SEP 1 14 22 -8 13
SINCE JAN 1 1155 978 177 1136
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 3:00 PM
LOWEST 59 10:00 AM
AVERAGE 69
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1954
1960
MINIMUM TEMPERATURE (F) 63 43 1938
SUNRISE AND SUNSET
SEPTEMBER 3 2025.....SUNRISE 6:19 AM CDT SUNSET 7:20 PM CDT
SEPTEMBER 4 2025.....SUNRISE 6:20 AM CDT SUNSET 7:19 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$