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Point Forecast:
2 Miles S Washington-Dulles International Airport VA
38.93N 77.45W (Elev. 299 ft)
Last Update: 6:35 pm EST Feb 28, 2021
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Weather Elements
Weather/Precipitation
Fire Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)
Surface Wind
kt
mph
km/h
m/s
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Mixing Height
x100ft
x100m
Haines Index
Lightning Activity Level
Trans. Wind
kt
mph
km/h
m/s
Vent Rate (x1000 mph-ft)
Atmospheric Dispersion Index
Low Visibility Occurrence Risk Index
48-Hour Period Starting:
7pm Sun, Feb 28 2021
8pm Sun, Feb 28 2021
9pm Sun, Feb 28 2021
10pm Sun, Feb 28 2021
11pm Sun, Feb 28 2021
12am Mon, Mar 1 2021
1am Mon, Mar 1 2021
2am Mon, Mar 1 2021
3am Mon, Mar 1 2021
4am Mon, Mar 1 2021
5am Mon, Mar 1 2021
6am Mon, Mar 1 2021
7am Mon, Mar 1 2021
8am Mon, Mar 1 2021
9am Mon, Mar 1 2021
10am Mon, Mar 1 2021
11am Mon, Mar 1 2021
12pm Mon, Mar 1 2021
1pm Mon, Mar 1 2021
2pm Mon, Mar 1 2021
3pm Mon, Mar 1 2021
4pm Mon, Mar 1 2021
5pm Mon, Mar 1 2021
6pm Mon, Mar 1 2021
7pm Mon, Mar 1 2021
8pm Mon, Mar 1 2021
9pm Mon, Mar 1 2021
10pm Mon, Mar 1 2021
11pm Mon, Mar 1 2021
12am Tue, Mar 2 2021
1am Tue, Mar 2 2021
2am Tue, Mar 2 2021
3am Tue, Mar 2 2021
4am Tue, Mar 2 2021
5am Tue, Mar 2 2021
6am Tue, Mar 2 2021
7am Tue, Mar 2 2021
8am Tue, Mar 2 2021
9am Tue, Mar 2 2021
10am Tue, Mar 2 2021
11am Tue, Mar 2 2021
12pm Tue, Mar 2 2021
1pm Tue, Mar 2 2021
2pm Tue, Mar 2 2021
3pm Tue, Mar 2 2021
4pm Tue, Mar 2 2021
5pm Tue, Mar 2 2021
6pm Tue, Mar 2 2021
7pm Tue, Mar 2 2021
8pm Tue, Mar 2 2021
9pm Tue, Mar 2 2021
10pm Tue, Mar 2 2021
11pm Tue, Mar 2 2021
12am Wed, Mar 3 2021
1am Wed, Mar 3 2021
2am Wed, Mar 3 2021
3am Wed, Mar 3 2021
4am Wed, Mar 3 2021
5am Wed, Mar 3 2021
6am Wed, Mar 3 2021
7am Wed, Mar 3 2021
8am Wed, Mar 3 2021
9am Wed, Mar 3 2021
10am Wed, Mar 3 2021
11am Wed, Mar 3 2021
12pm Wed, Mar 3 2021
1pm Wed, Mar 3 2021
2pm Wed, Mar 3 2021
3pm Wed, Mar 3 2021
4pm Wed, Mar 3 2021
5pm Wed, Mar 3 2021
6pm Wed, Mar 3 2021
7pm Wed, Mar 3 2021
8pm Wed, Mar 3 2021
9pm Wed, Mar 3 2021
10pm Wed, Mar 3 2021
11pm Wed, Mar 3 2021
12am Thu, Mar 4 2021
1am Thu, Mar 4 2021
2am Thu, Mar 4 2021
3am Thu, Mar 4 2021
4am Thu, Mar 4 2021
5am Thu, Mar 4 2021
6am Thu, Mar 4 2021
7am Thu, Mar 4 2021
8am Thu, Mar 4 2021
9am Thu, Mar 4 2021
10am Thu, Mar 4 2021
11am Thu, Mar 4 2021
12pm Thu, Mar 4 2021
1pm Thu, Mar 4 2021
2pm Thu, Mar 4 2021
3pm Thu, Mar 4 2021
4pm Thu, Mar 4 2021
5pm Thu, Mar 4 2021
6pm Thu, Mar 4 2021
7pm Thu, Mar 4 2021
8pm Thu, Mar 4 2021
9pm Thu, Mar 4 2021
10pm Thu, Mar 4 2021
11pm Thu, Mar 4 2021
12am Fri, Mar 5 2021
1am Fri, Mar 5 2021
2am Fri, Mar 5 2021
3am Fri, Mar 5 2021
4am Fri, Mar 5 2021
5am Fri, Mar 5 2021
6am Fri, Mar 5 2021
Date
02/28
03/01
Hour (EST)
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
Temperature (°F)
47
47
47
48
49
50
51
50
50
51
51
51
51
51
52
54
53
52
50
50
50
50
49
47
Dewpoint (°F)
46
46
46
47
47
48
49
49
49
50
50
49
50
50
50
49
46
42
38
37
34
31
29
27
Wind Chill (°F)
44
45
45
46
48
48
49
48
44
43
43
43
42
40
Surface Wind (mph)
6
5
5
5
3
5
5
3
5
6
5
6
7
8
10
11
14
16
18
21
21
21
21
21
Wind Dir
SE
SE
SE
S
S
S
S
SW
SW
W
SW
SW
SW
W
W
NW
NW
NW
NW
NW
NW
NW
NW
NW
Gust
20
25
30
34
37
38
40
37
34
Sky Cover (%)
98
98
98
97
97
97
97
97
97
98
97
97
98
97
97
97
96
96
81
75
62
48
35
44
Precipitation Potential (%)
65
56
63
70
77
84
84
85
85
93
100
100
99
83
66
50
33
17
0
0
0
0
0
0
Relative Humidity (%)
96
96
96
96
93
93
93
96
96
96
96
93
96
96
93
83
77
69
63
61
54
48
46
45
Rain
Lkly
Lkly
Lkly
Lkly
Ocnl
Ocnl
Ocnl
Ocnl
Ocnl
Ocnl
Ocnl
Ocnl
Ocnl
Ocnl
Lkly
Chc
Chc
SChc
--
--
--
--
--
--
Thunder
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Snow
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Freezing Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Sleet
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Date
03/02
Hour (EST)
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
Temperature (°F)
44
42
40
38
36
34
33
32
32
31
30
28
28
29
31
33
35
38
40
42
44
44
43
41
Dewpoint (°F)
26
25
24
23
22
21
20
19
17
16
15
15
14
13
12
12
12
12
13
13
14
15
16
18
Wind Chill (°F)
36
33
31
28
26
23
22
21
21
20
19
17
18
19
21
23
26
31
34
37
40
40
39
36
Surface Wind (mph)
21
21
20
18
18
17
17
16
16
16
16
14
11
13
14
14
13
11
9
8
7
7
7
7
Wind Dir
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
W
W
W
S
Gust
32
32
32
32
29
26
24
24
24
24
24
21
18
21
23
24
23
21
18
Sky Cover (%)
37
28
24
15
13
11
11
10
10
9
8
6
4
3
3
3
3
3
4
4
4
4
4
9
Precipitation Potential (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Relative Humidity (%)
49
50
52
54
56
58
58
58
53
53
53
58
55
51
45
41
38
34
33
30
29
30
33
39
Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Thunder
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Snow
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Freezing Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Sleet
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
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