134
CDUS43 KLOT 300634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT THU OCT 30 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 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 56 2:47 PM 83 2024 57 -1 83
MINIMUM 48 7:22 AM 22 1980 42 6 68
AVERAGE 52 49 3 76
PRECIPITATION (IN)
YESTERDAY 0.00 1.02 2009 0.11 -0.11 0.00
MONTH TO DATE 2.78 3.28 -0.50 1.21
SINCE SEP 1 3.34 6.05 -2.71 3.10
SINCE JAN 1 28.16 30.08 -1.92 32.57
DEGREE DAYS
HEATING
YESTERDAY 13 16 -3 0
MONTH TO DATE 206 297 -91 165
SINCE SEP 1 227 356 -129 175
SINCE JUL 1 229 360 -131 175
COOLING
YESTERDAY 0 0 0 11
MONTH TO DATE 65 17 48 30
SINCE SEP 1 269 153 116 249
SINCE JAN 1 1410 1109 301 1372
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 17.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 7:00 AM
LOWEST 45 12:00 PM
AVERAGE 60
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 85 1950
MINIMUM TEMPERATURE (F) 41 25 1928
1980
1988
SUNRISE AND SUNSET
OCTOBER 30 2025.......SUNRISE 7:21 AM CDT SUNSET 5:48 PM CDT
OCTOBER 31 2025.......SUNRISE 7:22 AM CDT SUNSET 5:46 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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