


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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564 CDUS43 KLOT 082142 CLIDPA CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 442 PM CDT WED OCT 08 2025 ................................... ...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1997 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 67 1:30 PM 87 2007 66 1 74 MINIMUM 45 6:17 AM 27 2012 45 0 42 AVERAGE 56 56 0 58 PRECIPITATION (IN) TODAY 0.00 1.12 2004 0.10 -0.10 0.00 MONTH TO DATE 1.79 0.83 0.96 0.12 SINCE SEP 1 2.43 3.83 -1.40 1.54 SINCE JAN 1 22.96 27.20 -4.24 25.86 DEGREE DAYS HEATING TODAY 9 10 -1 7 MONTH TO DATE 16 70 -54 43 SINCE SEP 1 63 170 -107 76 SINCE JUL 1 74 181 -107 85 COOLING TODAY 0 1 -1 0 MONTH TO DATE 47 8 39 3 SINCE SEP 1 174 96 78 113 SINCE JAN 1 1082 820 262 911 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50) AVERAGE WIND SPEED 6.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 6:00 AM LOWEST 43 2:00 PM AVERAGE 67 .......................................................... THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 88 2010 MINIMUM TEMPERATURE (F) 44 26 2000 SUNRISE AND SUNSET OCTOBER 8 2025.......SUNRISE 6:58 AM CDT SUNSET 6:22 PM CDT OCTOBER 9 2025.......SUNRISE 6:59 AM CDT SUNSET 6:21 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$