Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 122137
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT WED AUG 12 2026
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 12 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 83 2:59 PM 100 1995 83 0 88
MINIMUM 69 10:31 AM 50 1930 67 2 72
AVERAGE 76 75 1 80
PRECIPITATION (IN)
TODAY 0.11 2.21 2016 0.13 -0.02 0.18
MONTH TO DATE 3.21 1.49 1.72 0.35
SINCE JUN 1 16.73 9.05 7.68 12.38
SINCE JAN 1 30.62 21.53 9.09 21.95
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 3 25 -22 9
SINCE JUL 1 0 1 -1 0
COOLING
TODAY 11 10 1 15
MONTH TO DATE 127 127 0 166
SINCE JUN 1 714 702 12 934
SINCE JAN 1 798 784 14 985
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 10:00 AM
LOWEST 61 3:00 PM
AVERAGE 79
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1936
MINIMUM TEMPERATURE (F) 67 52 1967
SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE 5:56 AM CDT SUNSET 7:55 PM CDT
AUGUST 13 2026........SUNRISE 5:57 AM CDT SUNSET 7:54 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$