Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 300643
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT SAT AUG 30 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 29 2025...
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)
YESTERDAY
MAXIMUM 71 12:04 PM 98 1953 81 -10 85
MINIMUM 57 5:11 AM 43 1965 65 -8 73
AVERAGE 64 73 -9 79
PRECIPITATION (IN)
YESTERDAY T 2.02 1955 0.12 -0.12 0.00
MONTH TO DATE 3.22 3.73 -0.51 3.71
SINCE JUN 1 15.25 11.29 3.96 13.46
SINCE JAN 1 24.82 23.77 1.05 29.44
DEGREE DAYS
HEATING
YESTERDAY 1 0 1 0
MONTH TO DATE 2 0 2 0
SINCE JUN 1 11 25 -14 3
SINCE JUL 1 2 1 1 0
COOLING
YESTERDAY 0 8 -8 14
MONTH TO DATE 314 282 32 312
SINCE JUN 1 1082 857 225 986
SINCE JAN 1 1133 939 194 1099
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 4:00 AM
LOWEST 51 10:00 PM
AVERAGE 63
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 96 1937
1953
2013
MINIMUM TEMPERATURE (F) 64 47 1946
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 6:15 AM CDT SUNSET 7:27 PM CDT
AUGUST 31 2025........SUNRISE 6:16 AM CDT SUNSET 7:25 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$