Washington Dulles Airport (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 29° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 29 degrees Celsius; Minimum nighttime temperature: 22 degrees Celsius; -
Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 30 degrees Celsius; Minimum nighttime temperature: 23 degrees Celsius; -
Maximum daytime temperature: 29° Celsius; Minimum nighttime temperature: 24° Celsius;
Maximum daytime temperature: 29 degrees Celsius; Minimum nighttime temperature: 24 degrees Celsius; -
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 22 degrees Celsius;
-
Maximum daytime temperature: 29° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 29 degrees Celsius; Minimum nighttime temperature: 21 degrees Celsius;
-
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 22 degrees Celsius;
-
Maximum daytime temperature: 29° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 29 degrees Celsius; Minimum nighttime temperature: 20 degrees Celsius;
Sunny intervals changing to light showers by lunchtime.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Washington Dulles Airport
Today (14 August 2026)
| Time |
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
|
|
|
|
|
 |
 |
|
|
 |
| Chance of precipitation |
20%
|
20%
|
50%
|
50%
|
50%
|
40%
|
40%
|
30%
|
30%
|
40%
|
30%
|
30%
|
20%
|
20%
|
| Temperature |
26°
|
27°
|
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
28°
|
27°
|
26°
|
25°
|
25°
|
| Feels like temperature (°C) |
28°
|
30°
|
30°
|
30°
|
30°
|
30°
|
30°
|
30°
|
30°
|
30°
|
29°
|
28°
|
28°
|
28°
|
| Wind direction and speed |
NNE
3
|
NNE
3
|
NNE
3
|
N
3
|
N
4
|
N
4
|
N
3
|
N
3
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
3
|
| Wind gust (mph) |
9
|
9
|
9
|
9
|
10
|
10
|
9
|
9
|
9
|
9
|
8
|
7
|
6
|
7
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
| Humidity |
71%
|
66%
|
64%
|
62%
|
66%
|
67%
|
66%
|
67%
|
69%
|
72%
|
76%
|
80%
|
82%
|
84%
|
| UV | 5 | 6 | 5 | 3 | 3 | 4 | 2 | 1 | 1 | - | - | - | - | - |
Saturday (15 August 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
25°
|
24°
|
24°
|
23°
|
23°
|
23°
|
22°
|
22°
|
23°
|
24°
|
25°
|
26°
|
27°
|
28°
|
29°
|
30°
|
30°
|
30°
|
30°
|
29°
|
28°
|
27°
|
27°
|
26°
|
| Feels like temperature (°C) |
27°
|
27°
|
26°
|
26°
|
25°
|
25°
|
24°
|
24°
|
24°
|
25°
|
26°
|
28°
|
29°
|
30°
|
31°
|
31°
|
31°
|
31°
|
31°
|
31°
|
30°
|
29°
|
28°
|
28°
|
| Wind direction and speed (mph) |
NNW
3
|
NNW
3
|
NNW
3
|
NNW
4
|
N
4
|
N
4
|
N
4
|
N
4
|
NNE
4
|
NNE
4
|
NE
4
|
NE
4
|
NE
4
|
NE
3
|
ENE
3
|
ENE
4
|
ENE
4
|
NE
3
|
ENE
3
|
ENE
3
|
E
4
|
ESE
4
|
SE
5
|
SSE
5
|
| Wind gust (mph) |
6
|
7
|
7
|
7
|
8
|
8
|
8
|
8
|
10
|
10
|
10
|
10
|
10
|
11
|
11
|
11
|
10
|
9
|
9
|
8
|
9
|
9
|
10
|
10
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
86%
|
87%
|
88%
|
89%
|
90%
|
89%
|
87%
|
83%
|
77%
|
69%
|
64%
|
57%
|
54%
|
51%
|
44%
|
46%
|
47%
|
49%
|
58%
|
67%
|
67%
|
67%
|
68%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 9 | 8 | 8 | 6 | 4 | 2 | 1 | - | - | - | - | - |
Sunday (16 August 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
<5%
|
10%
|
20%
|
30%
|
30%
|
40%
|
50%
|
60%
|
50%
|
50%
|
40%
|
60%
|
50%
|
50%
|
60%
|
50%
|
30%
|
30%
|
30%
|
30%
|
20%
|
| Temperature (°C) |
25°
|
25°
|
24°
|
24°
|
23°
|
23°
|
23°
|
23°
|
23°
|
24°
|
24°
|
25°
|
26°
|
26°
|
27°
|
28°
|
29°
|
29°
|
28°
|
28°
|
27°
|
26°
|
26°
|
26°
|
| Feels like temperature (°C) |
27°
|
26°
|
26°
|
25°
|
25°
|
25°
|
25°
|
25°
|
24°
|
25°
|
25°
|
26°
|
27°
|
28°
|
28°
|
29°
|
30°
|
31°
|
30°
|
30°
|
29°
|
28°
|
28°
|
28°
|
| Wind direction and speed (mph) |
SSE
5
|
S
5
|
S
5
|
S
5
|
SSE
5
|
SSE
5
|
SSE
6
|
S
6
|
S
7
|
S
8
|
S
9
|
S
9
|
S
10
|
S
10
|
S
10
|
S
9
|
SSW
9
|
SSW
9
|
SSW
8
|
SSW
7
|
SSW
7
|
SSW
7
|
SW
6
|
SW
6
|
| Wind gust (mph) |
10
|
10
|
10
|
10
|
11
|
12
|
12
|
14
|
16
|
18
|
18
|
20
|
20
|
21
|
20
|
19
|
19
|
17
|
16
|
14
|
13
|
13
|
12
|
12
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
73%
|
76%
|
80%
|
82%
|
85%
|
87%
|
90%
|
90%
|
89%
|
89%
|
88%
|
85%
|
82%
|
80%
|
76%
|
72%
|
71%
|
71%
|
74%
|
77%
|
81%
|
84%
|
85%
|
87%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 3 | 4 | 4 | 6 | 5 | 6 | 4 | 2 | 1 | - | - | - | - | - |
Monday (17 August 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
20%
|
20%
|
20%
|
20%
|
10%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
25°
|
25°
|
25°
|
25°
|
24°
|
24°
|
24°
|
24°
|
25°
|
26°
|
27°
|
28°
|
29°
|
30°
|
31°
|
31°
|
31°
|
32°
|
31°
|
30°
|
29°
|
28°
|
27°
|
26°
|
| Feels like temperature (°C) |
28°
|
28°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
27°
|
28°
|
28°
|
29°
|
30°
|
31°
|
32°
|
32°
|
32°
|
32°
|
32°
|
31°
|
30°
|
29°
|
29°
|
27°
|
| Wind direction and speed (mph) |
SW
6
|
WSW
6
|
WSW
6
|
WSW
5
|
W
5
|
W
6
|
W
6
|
W
6
|
WNW
6
|
WNW
7
|
NW
9
|
NW
9
|
NW
9
|
NW
9
|
NW
8
|
NW
8
|
NW
8
|
NW
8
|
NW
8
|
NW
7
|
NNW
6
|
NNW
6
|
NNW
6
|
NNW
7
|
| Wind gust (mph) |
11
|
11
|
11
|
11
|
11
|
11
|
12
|
12
|
14
|
19
|
20
|
20
|
20
|
19
|
19
|
19
|
18
|
17
|
15
|
13
|
12
|
12
|
12
|
13
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
90%
|
91%
|
91%
|
91%
|
91%
|
92%
|
92%
|
90%
|
87%
|
82%
|
74%
|
68%
|
64%
|
58%
|
56%
|
52%
|
50%
|
48%
|
53%
|
56%
|
59%
|
64%
|
68%
|
68%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 8 | 9 | 8 | 5 | 4 | 2 | 1 | - | - | - | - | - |
Tuesday (18 August 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
26°
|
25°
|
24°
|
24°
|
23°
|
23°
|
22°
|
22°
|
22°
|
23°
|
25°
|
26°
|
27°
|
28°
|
28°
|
29°
|
29°
|
29°
|
29°
|
28°
|
26°
|
24°
|
| Feels like temperature (°C) |
27°
|
26°
|
25°
|
24°
|
24°
|
23°
|
23°
|
22°
|
23°
|
24°
|
25°
|
26°
|
27°
|
28°
|
29°
|
29°
|
29°
|
29°
|
29°
|
29°
|
28°
|
26°
|
| Wind direction and speed (mph) |
NNW
7
|
NW
7
|
NNW
7
|
NNW
6
|
NW
6
|
NNW
6
|
NNW
6
|
NNW
5
|
NNW
5
|
NNW
6
|
NNW
6
|
NNW
6
|
NNW
6
|
NNW
5
|
NNW
5
|
NNW
5
|
NNW
5
|
NNW
5
|
NNW
5
|
NNW
5
|
NNW
4
|
WNW
3
|
| Wind gust (mph) |
13
|
12
|
12
|
12
|
12
|
12
|
11
|
11
|
13
|
14
|
14
|
14
|
15
|
14
|
14
|
14
|
14
|
12
|
11
|
10
|
9
|
6
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
72%
|
73%
|
73%
|
74%
|
75%
|
76%
|
77%
|
73%
|
68%
|
62%
|
56%
|
53%
|
47%
|
43%
|
43%
|
43%
|
43%
|
44%
|
49%
|
59%
|
69%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 7 | 9 | 9 | 7 | 6 | 4 | 2 | 1 | - | - | - |
Wednesday (19 August 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
23°
|
21°
|
22°
|
27°
|
30°
|
30°
|
28°
|
26°
|
| Feels like temperature (°C) |
24°
|
23°
|
23°
|
28°
|
30°
|
31°
|
29°
|
27°
|
| Wind direction and speed (mph) |
WNW
4
|
WNW
3
|
WNW
3
|
W
5
|
WSW
6
|
WSW
6
|
WSW
6
|
SSW
6
|
| Wind gust (mph) |
7
|
6
|
11
|
15
|
15
|
13
|
12
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
78%
|
76%
|
55%
|
44%
|
44%
|
58%
|
68%
|
| UV | - | - | 2 | 7 | 8 | 2 | - | - |
Thursday (20 August 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
20%
|
40%
|
40%
|
20%
|
10%
|
| Temperature (°C) |
24°
|
23°
|
23°
|
26°
|
28°
|
28°
|
25°
|
24°
|
| Feels like temperature (°C) |
25°
|
24°
|
24°
|
26°
|
28°
|
28°
|
26°
|
24°
|
| Wind direction and speed (mph) |
SW
5
|
SSW
5
|
W
5
|
N
7
|
NW
7
|
WNW
7
|
NW
7
|
NW
6
|
| Wind gust (mph) |
11
|
12
|
17
|
19
|
19
|
19
|
15
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
82%
|
81%
|
64%
|
48%
|
51%
|
61%
|
70%
|
| UV | - | - | 2 | 7 | 7 | 2 | - | - |
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Forecast for 11am (UTC-4) Friday
Updated 13:06 (UTC+1) on Fri 14 Aug 2026
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