Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
119
CDUS41 KLWX 072126
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
426 PM EST SUN DEC 07 2025
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 7 2025...
VALID TODAY AS OF 0400 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 44 3:31 PM 77 1998 49 -5 42
MINIMUM 24 4:37 AM 1 2002 31 -7 22
AVERAGE 34 40 -6 32
PRECIPITATION (IN)
TODAY 0.00 2.14 2011 0.11 -0.11 0.00
MONTH TO DATE 0.78 0.80 -0.02 T
SINCE DEC 1 0.78 0.80 -0.02 T
SINCE JAN 1 29.66 40.74 -11.08 31.03
SNOWFALL (IN)
TODAY 0.0 1.6 1969 0.1 -0.1 0.0
MONTH TO DATE 1.3 0.5 0.8 T
SINCE DEC 1 1.3 0.5 0.8 T
SINCE JUL 1 1.3 0.8 0.5 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 31 25 6 33
MONTH TO DATE 217 172 45 234
SINCE DEC 1 217 172 45 234
SINCE JUL 1 1010 1072 -62 902
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1330 1231 99 1586
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 3.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 55 3:00 PM
AVERAGE 78
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 76 1980
MINIMUM TEMPERATURE (F) 30 13 2002
SUNRISE AND SUNSET
DECEMBER 7 2025......SUNRISE 7:15 AM EST SUNSET 4:47 PM EST
DECEMBER 8 2025......SUNRISE 7:16 AM EST SUNSET 4:47 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$