CDUS41 KLWX 232124 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 524 PM EDT SUN AUG 23 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 23 2026... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1960 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 84 3:52 PM 96 1998 86 -2 83 MINIMUM 64 5:47 AM 47 1981 65 -1 61 AVERAGE 74 75 -1 72 PRECIPITATION (IN) TODAY 0.00 1.60 2001 0.12 -0.12 0.00 MONTH TO DATE 4.29 2.61 1.68 0.85 SINCE JUN 1 13.92 11.06 2.86 10.72 SINCE JAN 1 28.84 28.30 0.54 24.64 SNOWFALL (IN) TODAY MM MM MM 0.0 MM 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 MM DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 1 13 -12 15 SINCE JUL 1 0 0 0 0 COOLING TODAY 9 10 -1 7 MONTH TO DATE 309 259 50 208 SINCE JUN 1 1022 875 147 1006 SINCE JAN 1 1195 981 214 1124 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 6.7 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 6:00 AM LOWEST 33 4:00 PM AVERAGE 67 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 97 1998 MINIMUM TEMPERATURE (F) 64 46 19711987 SUNRISE AND SUNSET AUGUST 23 2026........SUNRISE 6:31 AM EDT SUNSET 7:53 PM EDT AUGUST 24 2026........SUNRISE 6:32 AM EDT SUNSET 7:52 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$