Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 040634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SUN OCT 04 2026
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 3 2026...
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)
YESTERDAY
MAXIMUM 70 3:50 PM 91 1954 70 0 90
MINIMUM 49 5:50 AM 29 1974 52 -3 66
AVERAGE 60 61 -1 78
PRECIPITATION (IN)
YESTERDAY 0.00 3.95 1954 0.11 -0.11 0.00
MONTH TO DATE 1.40 0.34 1.06 0.00
SINCE SEP 1 6.80 3.11 3.69 0.56
SINCE JAN 1 38.94 27.14 11.80 25.38
DEGREE DAYS
HEATING
YESTERDAY 5 6 -1 0
MONTH TO DATE 10 17 -7 0
SINCE SEP 1 37 76 -39 21
SINCE JUL 1 37 80 -43 23
COOLING
YESTERDAY 0 2 -2 13
MONTH TO DATE 2 6 -4 26
SINCE SEP 1 206 142 64 230
SINCE JAN 1 1177 1098 79 1371
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 42 2:00 PM
AVERAGE 64
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 1951
MINIMUM TEMPERATURE (F) 51 34 1989
SUNRISE AND SUNSET
OCTOBER 4 2026.......SUNRISE 6:51 AM CDT SUNSET 6:27 PM CDT
OCTOBER 5 2026.......SUNRISE 6:52 AM CDT SUNSET 6:26 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$