CDUS43 KLOT 220633 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 133 AM CDT SAT AUG 22 2026 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 21 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 80 2:31 PM 99 1955 82 -2 78 MINIMUM 62 5:17 AM 46 1950 66 -4 66 AVERAGE 71 74 -3 72 PRECIPITATION (IN) YESTERDAY T 1.58 1975 0.13 -0.13 0.00 MONTH TO DATE 4.37 2.72 1.65 2.81 SINCE JUN 1 17.89 10.28 7.61 14.84 SINCE JAN 1 31.78 22.76 9.02 24.41 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 3 25 -22 9 SINCE JUL 1 0 1 -1 0 COOLING YESTERDAY 6 9 -3 7 MONTH TO DATE 211 214 -3 283 SINCE JUN 1 798 789 9 1051 SINCE JAN 1 882 871 11 1102 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 6.4 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RELATIVE HUMIDITY (PERCENT) HIGHEST 87 3:00 AM LOWEST 56 2:00 PM AVERAGE 72 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 103 1936 MINIMUM TEMPERATURE (F) 66 51 1928 SUNRISE AND SUNSET AUGUST 22 2026........SUNRISE 6:07 AM CDT SUNSET 7:40 PM CDT AUGUST 23 2026........SUNRISE 6:08 AM CDT SUNSET 7:39 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$