CDUS43 KLOT 220633 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 133 AM CDT SAT AUG 22 2026 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 21 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 80 3:55 PM 99 1955 82 -2 76 MINIMUM 62 4:03 AM 46 1950 65 -3 65 AVERAGE 71 73 -2 71 PRECIPITATION (IN) YESTERDAY T 2.00 1874 0.13 -0.13 0.00 MONTH TO DATE 4.23 2.93 1.30 4.68 SINCE JUN 1 14.59 10.74 3.85 12.60 SINCE JAN 1 30.18 25.39 4.79 22.10 SNOWFALL (IN) YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 11 33 -22 13 SINCE JUL 1 0 2 -2 0 COOLING YESTERDAY 6 8 -2 6 MONTH TO DATE 207 200 7 245 SINCE JUN 1 762 725 37 934 SINCE JAN 1 840 795 45 968 ................................................................... WIND (MPH) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 6.6 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 84 11:00 PM LOWEST 54 2:00 PM AVERAGE 69 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 99 1936 MINIMUM TEMPERATURE (F) 65 49 2004 SUNRISE AND SUNSET AUGUST 22 2026........SUNRISE 6:07 AM CDT SUNSET 7:41 PM CDT AUGUST 23 2026........SUNRISE 6:08 AM CDT SUNSET 7:40 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$