CDUS41 KLWX 152143 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 543 PM EDT THU OCT 15 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 15 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 77 12:34 AM 88 1989 68 9 73 MINIMUM 59 3:41 PM 28 1987 46 13 54 AVERAGE 68 57 11 64 PRECIPITATION (IN) TODAY 0.07 1.30 2014 0.12 -0.05 0.00 MONTH TO DATE 3.34 1.81 1.53 0.43 SINCE SEP 1 7.14 5.75 1.39 1.65 SINCE JAN 1 36.54 34.97 1.57 26.29 SNOWFALL (IN) TODAY 0.0 MM MM 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE SEP 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 TODAY 0 9 -9 1 MONTH TO DATE 34 99 -65 58 SINCE SEP 1 55 144 -89 65 SINCE JUL 1 55 145 -90 67 COOLING TODAY 3 0 3 0 MONTH TO DATE 38 19 19 12 SINCE SEP 1 262 171 91 182 SINCE JAN 1 1542 1227 315 1330 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 8.0 SKY COVER AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 90 3:00 PM LOWEST 65 1:00 PM AVERAGE 78 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 68 85 1989 MINIMUM TEMPERATURE (F) 45 30 1986 SUNRISE AND SUNSET OCTOBER 15 2026.......SUNRISE 7:19 AM EDT SUNSET 6:31 PM EDT OCTOBER 16 2026.......SUNRISE 7:20 AM EDT SUNSET 6:30 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$