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Point Forecast:
2 Miles S Washington-Dulles International Airport VA
38.93N 77.45W (Elev. 299 ft)
Last Update: 12:29 pm EST Dec 3, 2023
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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:
1pm Sun, Dec 3 2023
2pm Sun, Dec 3 2023
3pm Sun, Dec 3 2023
4pm Sun, Dec 3 2023
5pm Sun, Dec 3 2023
6pm Sun, Dec 3 2023
7pm Sun, Dec 3 2023
8pm Sun, Dec 3 2023
9pm Sun, Dec 3 2023
10pm Sun, Dec 3 2023
11pm Sun, Dec 3 2023
12am Mon, Dec 4 2023
1am Mon, Dec 4 2023
2am Mon, Dec 4 2023
3am Mon, Dec 4 2023
4am Mon, Dec 4 2023
5am Mon, Dec 4 2023
6am Mon, Dec 4 2023
7am Mon, Dec 4 2023
8am Mon, Dec 4 2023
9am Mon, Dec 4 2023
10am Mon, Dec 4 2023
11am Mon, Dec 4 2023
12pm Mon, Dec 4 2023
1pm Mon, Dec 4 2023
2pm Mon, Dec 4 2023
3pm Mon, Dec 4 2023
4pm Mon, Dec 4 2023
5pm Mon, Dec 4 2023
6pm Mon, Dec 4 2023
7pm Mon, Dec 4 2023
8pm Mon, Dec 4 2023
9pm Mon, Dec 4 2023
10pm Mon, Dec 4 2023
11pm Mon, Dec 4 2023
12am Tue, Dec 5 2023
1am Tue, Dec 5 2023
2am Tue, Dec 5 2023
3am Tue, Dec 5 2023
4am Tue, Dec 5 2023
5am Tue, Dec 5 2023
6am Tue, Dec 5 2023
7am Tue, Dec 5 2023
8am Tue, Dec 5 2023
9am Tue, Dec 5 2023
10am Tue, Dec 5 2023
11am Tue, Dec 5 2023
12pm Tue, Dec 5 2023
1pm Tue, Dec 5 2023
2pm Tue, Dec 5 2023
3pm Tue, Dec 5 2023
4pm Tue, Dec 5 2023
5pm Tue, Dec 5 2023
6pm Tue, Dec 5 2023
7pm Tue, Dec 5 2023
8pm Tue, Dec 5 2023
9pm Tue, Dec 5 2023
10pm Tue, Dec 5 2023
11pm Tue, Dec 5 2023
12am Wed, Dec 6 2023
1am Wed, Dec 6 2023
2am Wed, Dec 6 2023
3am Wed, Dec 6 2023
4am Wed, Dec 6 2023
5am Wed, Dec 6 2023
6am Wed, Dec 6 2023
7am Wed, Dec 6 2023
8am Wed, Dec 6 2023
9am Wed, Dec 6 2023
10am Wed, Dec 6 2023
11am Wed, Dec 6 2023
12pm Wed, Dec 6 2023
1pm Wed, Dec 6 2023
2pm Wed, Dec 6 2023
3pm Wed, Dec 6 2023
4pm Wed, Dec 6 2023
5pm Wed, Dec 6 2023
6pm Wed, Dec 6 2023
7pm Wed, Dec 6 2023
8pm Wed, Dec 6 2023
9pm Wed, Dec 6 2023
10pm Wed, Dec 6 2023
11pm Wed, Dec 6 2023
12am Thu, Dec 7 2023
1am Thu, Dec 7 2023
2am Thu, Dec 7 2023
3am Thu, Dec 7 2023
4am Thu, Dec 7 2023
5am Thu, Dec 7 2023
6am Thu, Dec 7 2023
7am Thu, Dec 7 2023
8am Thu, Dec 7 2023
9am Thu, Dec 7 2023
10am Thu, Dec 7 2023
11am Thu, Dec 7 2023
12pm Thu, Dec 7 2023
1pm Thu, Dec 7 2023
2pm Thu, Dec 7 2023
3pm Thu, Dec 7 2023
4pm Thu, Dec 7 2023
5pm Thu, Dec 7 2023
6pm Thu, Dec 7 2023
7pm Thu, Dec 7 2023
8pm Thu, Dec 7 2023
9pm Thu, Dec 7 2023
10pm Thu, Dec 7 2023
11pm Thu, Dec 7 2023
12am Fri, Dec 8 2023
Date
12/03
12/04
Hour (EST)
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
Temperature (°F)
56
58
58
57
56
54
53
52
51
50
48
47
46
45
44
42
42
41
40
42
44
46
48
50
Dewpoint (°F)
54
55
56
56
54
52
50
48
45
43
41
40
39
37
36
35
35
35
36
36
37
37
36
36
Wind Chill (°F)
47
45
44
42
41
40
38
38
37
36
38
41
42
44
47
Surface Wind (mph)
2
2
3
3
5
6
7
7
7
7
7
7
8
7
7
7
6
6
6
6
6
7
8
8
Wind Dir
W
W
SW
SW
SW
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
NW
NW
NW
Gust
Sky Cover (%)
94
91
89
84
82
83
74
68
54
47
39
30
23
21
16
20
36
49
66
67
68
79
67
68
Precipitation Potential (%)
10
10
9
9
11
9
4
4
5
4
4
3
1
1
1
1
1
2
4
4
4
3
3
3
Relative Humidity (%)
93
90
93
96
93
93
89
86
80
77
77
76
76
73
73
76
76
79
85
79
76
71
63
58
Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Thunder
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Snow
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Freezing Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Sleet
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Date
12/05
Hour (EST)
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
Temperature (°F)
51
51
52
50
48
45
43
42
41
40
39
39
38
37
37
36
35
35
35
37
40
42
43
45
Dewpoint (°F)
35
36
36
36
36
36
36
35
34
34
33
33
32
32
31
31
31
31
31
31
32
32
32
32
Wind Chill (°F)
47
44
41
39
37
36
35
33
34
32
31
31
30
29
30
30
32
36
38
39
41
Surface Wind (mph)
8
8
8
8
8
7
7
8
8
8
8
7
8
8
8
7
7
6
6
6
6
7
7
8
Wind Dir
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
W
W
W
W
W
W
W
Gust
Sky Cover (%)
66
64
68
71
69
67
64
51
37
25
19
16
14
18
23
30
39
49
55
56
56
57
60
64
Precipitation Potential (%)
4
4
4
7
7
7
5
5
5
5
5
5
1
1
1
1
1
1
6
6
6
6
6
6
Relative Humidity (%)
54
56
54
58
63
70
76
76
76
79
79
79
79
82
79
82
85
85
85
79
73
67
65
60
Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Thunder
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Snow
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Freezing Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Sleet
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
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