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
901
CDUS41 KLWX 210622
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
222 AM EDT FRI AUG 21 2026
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 20 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 92 2:31 PM 101 1983 88 4 84
MINIMUM 68 11:59 PM 50 1896 71 -3 68
AVERAGE 80 79 1 76
PRECIPITATION (IN)
YESTERDAY 0.24 4.83 1963 0.10 0.14 0.08
MONTH TO DATE 3.72 2.08 1.64 0.19
SINCE JUN 1 8.98 10.61 -1.63 9.21
SINCE JAN 1 21.01 26.74 -5.73 27.25
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 8
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 15 14 1 11
MONTH TO DATE 334 302 32 251
SINCE JUN 1 1246 1141 105 1173
SINCE JAN 1 1470 1308 162 1374
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 5:00 PM
LOWEST 52 3:00 PM
AVERAGE 71
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 100 1874
MINIMUM TEMPERATURE (F) 71 53 1908
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:27 AM EDT SUNSET 7:54 PM EDT
AUGUST 22 2026........SUNRISE 6:28 AM EDT SUNSET 7:53 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$