642
CDUS43 KLOT 020643
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT THU OCT 02 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 1 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 77 1:08 PM 92 1971 70 7 71
MINIMUM 65 6:06 AM 32 1974 53 12 56
AVERAGE 71 62 9 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.29 2016 0.11 -0.11 0.00
MONTH TO DATE 0.00 0.11 -0.11 0.00
SINCE SEP 1 0.56 2.88 -2.32 1.89
SINCE JAN 1 25.38 26.91 -1.53 31.36
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 1
MONTH TO DATE 0 5 -5 1
SINCE SEP 1 21 64 -43 11
SINCE JUL 1 23 68 -45 11
COOLING
YESTERDAY 6 2 4 0
MONTH TO DATE 6 2 4 0
SINCE SEP 1 210 138 72 219
SINCE JAN 1 1351 1094 257 1342
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 7:00 AM
LOWEST 42 11:00 PM
AVERAGE 56
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 1971
MINIMUM TEMPERATURE (F) 52 28 1974
SUNRISE AND SUNSET
OCTOBER 2 2025.......SUNRISE 6:49 AM CDT SUNSET 6:30 PM CDT
OCTOBER 3 2025.......SUNRISE 6:50 AM CDT SUNSET 6:29 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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