Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 012133
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT FRI AUG 01 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 1 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 77 2:21 PM 100 1988 84 -7 89
MINIMUM 66 2:12 AM 52 1947 68 -2 70
AVERAGE 72 76 -4 80
PRECIPITATION (IN)
TODAY 0.00 2.55 1961 0.12 -0.12 0.93
MONTH TO DATE 0.00 0.12 -0.12 0.93
SINCE JUN 1 12.03 7.68 4.35 10.68
SINCE JAN 1 21.60 20.16 1.44 26.66
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 25 -16 3
SINCE JUL 1 0 1 -1 0
COOLING
TODAY 7 11 -4 15
MONTH TO DATE 7 11 -4 15
SINCE JUN 1 775 586 189 689
SINCE JAN 1 826 668 158 802
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 6:00 AM
LOWEST 39 3:00 PM
AVERAGE 58
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 102 1991
MINIMUM TEMPERATURE (F) 68 56 1965
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 5:45 AM CDT SUNSET 8:09 PM CDT
AUGUST 2 2025........SUNRISE 5:46 AM CDT SUNSET 8:07 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$