CDUS41 KLWX 212124 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 524 PM EDT SAT MAR 21 2026 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 21 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 70 3:59 PM 78 2010 57 13 59 MINIMUM 45 6:49 AM 14 1965 35 10 37 AVERAGE 58 46 12 48 PRECIPITATION (IN) TODAY 0.24 2.69 2019 0.12 0.12 0.00 MONTH TO DATE 2.54 2.35 0.19 0.78 SINCE MAR 1 2.54 2.35 0.19 0.78 SINCE JAN 1 8.34 7.90 0.44 5.20 SNOWFALL (IN) TODAY 0.0 4.8 2018 0.1 -0.1 0.0 MONTH TO DATE 1.0 3.2 -2.2 0.0 SINCE MAR 1 1.0 3.2 -2.2 0.0 SINCE JUL 1 13.6 20.2 -6.6 15.5 SNOW DEPTH 0 DEGREE DAYS HEATING TODAY 7 19 -12 17 MONTH TO DATE 332 473 -141 345 SINCE MAR 1 332 473 -141 345 SINCE JUL 1 3961 3983 -22 3667 COOLING TODAY 0 0 0 0 MONTH TO DATE 8 0 8 1 SINCE MAR 1 8 0 8 1 SINCE JAN 1 8 0 8 1 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 4.4 SKY COVER AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 5:00 AM LOWEST 34 4:00 PM AVERAGE 67 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 57 83 1968 MINIMUM TEMPERATURE (F) 35 12 1988 SUNRISE AND SUNSET MARCH 21 2026.........SUNRISE 7:12 AM EDT SUNSET 7:23 PM EDT MARCH 22 2026.........SUNRISE 7:10 AM EDT SUNSET 7:24 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$