Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 162126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
526 PM EDT THU OCT 16 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 16 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 65 3:03 PM 85 1989 68 -3 59
MINIMUM 43 4:54 AM 30 1986 45 -2 38
AVERAGE 54 56 -2 49
PRECIPITATION (IN)
TODAY 0.00 1.10 2002 0.12 -0.12 0.00
MONTH TO DATE 0.43 1.93 -1.50 0.13
SINCE SEP 1 1.65 5.87 -4.22 3.40
SINCE JAN 1 26.29 35.09 -8.80 29.18
SNOWFALL (IN)
TODAY MM T 1977 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 11 9 2 16
MONTH TO DATE 69 108 -39 83
SINCE SEP 1 76 153 -77 95
SINCE JUL 1 78 154 -76 97
COOLING
TODAY 0 0 0 0
MONTH TO DATE 12 19 -7 14
SINCE SEP 1 182 171 11 151
SINCE JAN 1 1330 1227 103 1565
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 11.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 5:00 AM
LOWEST 26 2:00 PM
AVERAGE 53
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 2016
MINIMUM TEMPERATURE (F) 45 31 1981
1982
SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE 7:21 AM EDT SUNSET 6:29 PM EDT
OCTOBER 17 2025.......SUNRISE 7:22 AM EDT SUNSET 6:28 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$