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Point Forecast:
2 Miles S Washington-Dulles International Airport VA
38.93N 77.45W (Elev. 299 ft)
Last Update: 4:29 am EDT Oct 1, 2023
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Weather Elements
Weather/Precipitation
Fire Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)
Surface Wind
kt
mph
km/h
m/s
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
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:
4am Sun, Oct 1 2023
5am Sun, Oct 1 2023
6am Sun, Oct 1 2023
7am Sun, Oct 1 2023
8am Sun, Oct 1 2023
9am Sun, Oct 1 2023
10am Sun, Oct 1 2023
11am Sun, Oct 1 2023
12pm Sun, Oct 1 2023
1pm Sun, Oct 1 2023
2pm Sun, Oct 1 2023
3pm Sun, Oct 1 2023
4pm Sun, Oct 1 2023
5pm Sun, Oct 1 2023
6pm Sun, Oct 1 2023
7pm Sun, Oct 1 2023
8pm Sun, Oct 1 2023
9pm Sun, Oct 1 2023
10pm Sun, Oct 1 2023
11pm Sun, Oct 1 2023
12am Mon, Oct 2 2023
1am Mon, Oct 2 2023
2am Mon, Oct 2 2023
3am Mon, Oct 2 2023
4am Mon, Oct 2 2023
5am Mon, Oct 2 2023
6am Mon, Oct 2 2023
7am Mon, Oct 2 2023
8am Mon, Oct 2 2023
9am Mon, Oct 2 2023
10am Mon, Oct 2 2023
11am Mon, Oct 2 2023
12pm Mon, Oct 2 2023
1pm Mon, Oct 2 2023
2pm Mon, Oct 2 2023
3pm Mon, Oct 2 2023
4pm Mon, Oct 2 2023
5pm Mon, Oct 2 2023
6pm Mon, Oct 2 2023
7pm Mon, Oct 2 2023
8pm Mon, Oct 2 2023
9pm Mon, Oct 2 2023
10pm Mon, Oct 2 2023
11pm Mon, Oct 2 2023
12am Tue, Oct 3 2023
1am Tue, Oct 3 2023
2am Tue, Oct 3 2023
3am Tue, Oct 3 2023
4am Tue, Oct 3 2023
5am Tue, Oct 3 2023
6am Tue, Oct 3 2023
7am Tue, Oct 3 2023
8am Tue, Oct 3 2023
9am Tue, Oct 3 2023
10am Tue, Oct 3 2023
11am Tue, Oct 3 2023
12pm Tue, Oct 3 2023
1pm Tue, Oct 3 2023
2pm Tue, Oct 3 2023
3pm Tue, Oct 3 2023
4pm Tue, Oct 3 2023
5pm Tue, Oct 3 2023
6pm Tue, Oct 3 2023
7pm Tue, Oct 3 2023
8pm Tue, Oct 3 2023
9pm Tue, Oct 3 2023
10pm Tue, Oct 3 2023
11pm Tue, Oct 3 2023
12am Wed, Oct 4 2023
1am Wed, Oct 4 2023
2am Wed, Oct 4 2023
3am Wed, Oct 4 2023
4am Wed, Oct 4 2023
5am Wed, Oct 4 2023
6am Wed, Oct 4 2023
7am Wed, Oct 4 2023
8am Wed, Oct 4 2023
9am Wed, Oct 4 2023
10am Wed, Oct 4 2023
11am Wed, Oct 4 2023
12pm Wed, Oct 4 2023
1pm Wed, Oct 4 2023
2pm Wed, Oct 4 2023
3pm Wed, Oct 4 2023
4pm Wed, Oct 4 2023
5pm Wed, Oct 4 2023
6pm Wed, Oct 4 2023
7pm Wed, Oct 4 2023
8pm Wed, Oct 4 2023
9pm Wed, Oct 4 2023
10pm Wed, Oct 4 2023
11pm Wed, Oct 4 2023
12am Thu, Oct 5 2023
1am Thu, Oct 5 2023
2am Thu, Oct 5 2023
3am Thu, Oct 5 2023
4am Thu, Oct 5 2023
5am Thu, Oct 5 2023
6am Thu, Oct 5 2023
7am Thu, Oct 5 2023
8am Thu, Oct 5 2023
9am Thu, Oct 5 2023
10am Thu, Oct 5 2023
11am Thu, Oct 5 2023
12pm Thu, Oct 5 2023
1pm Thu, Oct 5 2023
2pm Thu, Oct 5 2023
3pm Thu, Oct 5 2023
Date
10/01
10/02
Hour (EDT)
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
Temperature (°F)
58
56
56
56
58
62
68
72
75
76
78
79
78
78
75
72
69
67
65
63
62
61
60
59
Dewpoint (°F)
57
56
56
56
58
60
61
62
61
61
60
60
60
60
60
60
60
60
59
59
59
59
59
58
Heat Index (°F)
75
76
78
79
78
78
75
Surface Wind (mph)
2
3
3
3
3
5
7
8
7
8
9
7
7
8
8
7
6
5
5
3
3
3
3
5
Wind Dir
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NW
N
N
N
Gust
Sky Cover (%)
19
20
19
19
18
14
7
5
8
10
11
9
6
2
1
2
1
2
2
2
3
3
2
2
Precipitation Potential (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
Relative Humidity (%)
96
100
100
100
100
93
78
71
62
60
54
52
54
54
60
66
73
78
81
87
90
93
96
96
Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Thunder
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Date
10/03
Hour (EDT)
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
Temperature (°F)
59
58
57
57
59
64
69
73
76
78
79
80
80
79
77
74
71
69
67
66
65
63
62
61
Dewpoint (°F)
58
57
57
57
58
60
62
63
63
63
63
63
63
63
63
63
63
63
63
63
63
62
62
61
Heat Index (°F)
76
78
79
81
81
79
77
Surface Wind (mph)
5
5
5
5
6
6
6
6
6
6
6
7
7
7
6
5
5
3
3
3
2
2
2
1
Wind Dir
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NE
NE
N
N
NW
NW
NW
NW
NW
Gust
Sky Cover (%)
2
1
2
4
6
6
6
6
8
9
11
11
11
11
12
14
15
16
16
16
15
13
12
12
Precipitation Potential (%)
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Relative Humidity (%)
96
96
100
100
96
87
78
71
64
60
58
56
56
58
62
69
76
81
87
90
93
97
100
100
Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Thunder
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
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