Washington Dulles Airport (United States of America) weather
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Forecast days
-
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 23° Celsius; -
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 20° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 20° Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 21° Celsius; -
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 22° Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 19° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 19° Celsius; -
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 19° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 19° Celsius;
Sunny changing to light showers by early evening.
Sunrise:
Sunset: No data;
VH UV
No pollution data.
No pollen data.
7 day forecast for Washington Dulles Airport
Today (17 August 2025)
| Time |
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
 |
 |
|
 |
|
| Chance of precipitation |
20%
|
40%
|
40%
|
60%
|
50%
|
40%
|
20%
|
| Temperature |
33°
|
32°
|
31°
|
30°
|
29°
|
28°
|
27°
|
| Feels like temperature (°C) |
34°
|
34°
|
34°
|
32°
|
31°
|
30°
|
29°
|
| Wind direction and speed |
WSW
5
|
W
5
|
W
5
|
WNW
6
|
NW
5
|
NW
6
|
NW
6
|
| Wind gust (mph) |
15
|
13
|
13
|
12
|
13
|
14
|
15
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
42%
|
47%
|
55%
|
63%
|
68%
|
71%
|
75%
|
| UV | 2 | 1 | - | - | - | - | - |
Monday (18 August 2025)
| 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 |
20%
|
10%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
10%
|
20%
|
20%
|
20%
|
30%
|
30%
|
20%
|
20%
|
30%
|
40%
|
30%
|
| Temperature (°C) |
26°
|
26°
|
25°
|
24°
|
24°
|
24°
|
23°
|
23°
|
23°
|
23°
|
23°
|
24°
|
25°
|
25°
|
25°
|
25°
|
25°
|
25°
|
25°
|
24°
|
24°
|
22°
|
| Feels like temperature (°C) |
28°
|
27°
|
26°
|
26°
|
25°
|
25°
|
24°
|
24°
|
23°
|
23°
|
23°
|
24°
|
25°
|
26°
|
25°
|
26°
|
26°
|
26°
|
26°
|
25°
|
24°
|
23°
|
| Wind direction and speed (mph) |
NW
6
|
NW
7
|
NW
7
|
NW
7
|
NNW
7
|
NNW
7
|
N
8
|
N
8
|
N
8
|
N
9
|
N
8
|
NNE
8
|
NNE
8
|
NNE
8
|
NNE
8
|
NE
8
|
NE
8
|
NE
8
|
NE
8
|
ENE
8
|
ENE
8
|
ENE
7
|
| Wind gust (mph) |
15
|
15
|
15
|
16
|
16
|
18
|
19
|
20
|
21
|
21
|
21
|
20
|
20
|
20
|
20
|
19
|
19
|
19
|
18
|
18
|
17
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
76%
|
77%
|
79%
|
80%
|
83%
|
84%
|
83%
|
82%
|
78%
|
76%
|
74%
|
73%
|
71%
|
69%
|
72%
|
72%
|
73%
|
73%
|
74%
|
78%
|
79%
|
87%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 5 | 7 | 5 | 3 | 3 | 2 | 1 | 1 | 1 | - | - |
Tuesday (19 August 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
40%
|
40%
|
20%
|
20%
|
20%
|
30%
|
40%
|
| Temperature (°C) |
21°
|
20°
|
20°
|
21°
|
22°
|
24°
|
23°
|
23°
|
| Feels like temperature (°C) |
22°
|
21°
|
21°
|
22°
|
24°
|
25°
|
25°
|
24°
|
| Wind direction and speed (mph) |
ENE
6
|
NE
5
|
NE
5
|
ENE
5
|
ENE
5
|
E
5
|
E
5
|
E
5
|
| Wind gust (mph) |
14
|
12
|
13
|
14
|
14
|
14
|
12
|
12
|
| Visibility (description) |
G
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
| Humidity |
90%
|
92%
|
93%
|
91%
|
84%
|
78%
|
86%
|
90%
|
| UV | - | - | 1 | 1 | 3 | 2 | - | - |
Wednesday (20 August 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
30%
|
40%
|
30%
|
20%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
22°
|
21°
|
21°
|
23°
|
26°
|
28°
|
26°
|
25°
|
| Feels like temperature (°C) |
23°
|
23°
|
23°
|
25°
|
28°
|
30°
|
28°
|
27°
|
| Wind direction and speed (mph) |
E
5
|
E
4
|
E
4
|
E
4
|
ESE
4
|
ESE
4
|
ENE
4
|
NE
4
|
| Wind gust (mph) |
11
|
10
|
12
|
13
|
13
|
13
|
10
|
9
|
| Visibility (description) |
M
|
M
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
| Humidity |
94%
|
96%
|
96%
|
91%
|
77%
|
68%
|
78%
|
86%
|
| UV | - | - | 1 | 4 | 7 | 2 | - | - |
Thursday (21 August 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
40%
|
40%
|
40%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
23°
|
23°
|
22°
|
24°
|
27°
|
28°
|
26°
|
23°
|
| Feels like temperature (°C) |
26°
|
25°
|
24°
|
25°
|
27°
|
28°
|
26°
|
23°
|
| Wind direction and speed (mph) |
NNE
4
|
N
4
|
N
7
|
NNE
9
|
NNE
10
|
NNE
10
|
NNE
9
|
N
8
|
| Wind gust (mph) |
9
|
16
|
22
|
24
|
25
|
24
|
21
|
19
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
95%
|
93%
|
82%
|
61%
|
56%
|
61%
|
66%
|
| UV | - | - | 1 | 7 | 7 | 2 | - | - |
Friday (22 August 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
21°
|
19°
|
19°
|
22°
|
25°
|
26°
|
24°
|
22°
|
| Feels like temperature (°C) |
21°
|
19°
|
19°
|
22°
|
25°
|
26°
|
24°
|
22°
|
| Wind direction and speed (mph) |
N
7
|
N
7
|
N
6
|
NNE
6
|
NNE
6
|
NNE
5
|
NE
5
|
ESE
4
|
| Wind gust (mph) |
17
|
16
|
18
|
19
|
18
|
15
|
12
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
70%
|
75%
|
75%
|
61%
|
52%
|
44%
|
58%
|
68%
|
| UV | - | - | 2 | 7 | 8 | 2 | - | - |
Saturday (23 August 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
20°
|
18°
|
19°
|
23°
|
26°
|
26°
|
24°
|
23°
|
| Feels like temperature (°C) |
21°
|
19°
|
20°
|
23°
|
26°
|
26°
|
24°
|
23°
|
| Wind direction and speed (mph) |
SSW
4
|
S
3
|
S
4
|
SSE
5
|
SSE
5
|
S
5
|
S
7
|
S
6
|
| Wind gust (mph) |
8
|
8
|
14
|
17
|
17
|
16
|
14
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
86%
|
86%
|
67%
|
52%
|
47%
|
59%
|
69%
|
| UV | - | - | 2 | 7 | 8 | 2 | - | - |
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Forecast for 17:00 (UTC-4), Sun
Updated 19:59 (UTC+1) on Sun 17 Aug 2025
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