Washington Dulles Airport (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 18° Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 18° Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 15° Celsius;
Sunny.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Washington Dulles Airport
Today (31 August 2025)
| Time |
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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
14°
|
14°
|
16°
|
17°
|
19°
|
20°
|
22°
|
23°
|
23°
|
24°
|
24°
|
24°
|
24°
|
23°
|
21°
|
21°
|
20°
|
19°
|
| Feels like temperature (°C) |
14°
|
14°
|
15°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
23°
|
23°
|
23°
|
23°
|
21°
|
20°
|
20°
|
19°
|
18°
|
| Wind direction and speed |
N
4
|
N
5
|
N
4
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
6
|
NNE
6
|
NNE
6
|
NE
6
|
NE
6
|
NE
6
|
NE
6
|
NE
7
|
NE
7
|
NE
6
|
NNE
5
|
NNE
5
|
| Wind gust (mph) |
10
|
10
|
12
|
13
|
14
|
15
|
17
|
19
|
18
|
18
|
18
|
17
|
16
|
15
|
14
|
12
|
11
|
9
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
72%
|
66%
|
61%
|
55%
|
46%
|
41%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
41%
|
51%
|
56%
|
64%
|
| UV | 1 | 1 | 1 | 3 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 | 1 | - | - | - | - |
Monday (1 September 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
15°
|
16°
|
18°
|
19°
|
21°
|
23°
|
24°
|
24°
|
25°
|
25°
|
25°
|
25°
|
24°
|
23°
|
20°
|
| Feels like temperature (°C) |
18°
|
17°
|
17°
|
16°
|
16°
|
15°
|
15°
|
14°
|
16°
|
17°
|
19°
|
21°
|
21°
|
22°
|
23°
|
23°
|
24°
|
24°
|
23°
|
22°
|
21°
|
20°
|
| Wind direction and speed (mph) |
NNE
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
5
|
N
5
|
N
5
|
N
4
|
N
5
|
NNE
5
|
NE
6
|
NE
8
|
ENE
8
|
ENE
8
|
ENE
7
|
NE
7
|
NE
7
|
NE
7
|
NE
7
|
NE
7
|
E
5
|
| Wind gust (mph) |
8
|
8
|
8
|
9
|
9
|
10
|
10
|
10
|
12
|
14
|
15
|
19
|
22
|
22
|
21
|
20
|
19
|
18
|
17
|
15
|
15
|
12
|
| 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 |
66%
|
69%
|
72%
|
73%
|
74%
|
74%
|
74%
|
75%
|
72%
|
67%
|
64%
|
57%
|
43%
|
41%
|
40%
|
40%
|
40%
|
39%
|
40%
|
41%
|
41%
|
59%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 | 1 | - | - |
Tuesday (2 September 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
21°
|
24°
|
24°
|
22°
|
20°
|
| Feels like temperature (°C) |
18°
|
16°
|
17°
|
21°
|
23°
|
24°
|
22°
|
20°
|
| Wind direction and speed (mph) |
ENE
3
|
N
3
|
N
3
|
NNE
4
|
NNE
5
|
N
3
|
N
4
|
NW
4
|
| Wind gust (mph) |
7
|
8
|
14
|
17
|
15
|
12
|
10
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
80%
|
84%
|
82%
|
61%
|
41%
|
41%
|
59%
|
65%
|
| UV | - | - | 1 | 7 | 7 | 2 | - | - |
Wednesday (3 September 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%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
<5%
|
| Temperature (°C) |
18°
|
16°
|
17°
|
22°
|
25°
|
25°
|
23°
|
21°
|
| Feels like temperature (°C) |
18°
|
16°
|
17°
|
22°
|
25°
|
25°
|
22°
|
21°
|
| Wind direction and speed (mph) |
WNW
3
|
WSW
3
|
WSW
3
|
SSW
3
|
SSW
4
|
SSW
5
|
SSW
6
|
SSW
6
|
| Wind gust (mph) |
6
|
6
|
10
|
16
|
17
|
16
|
13
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
83%
|
78%
|
58%
|
44%
|
42%
|
54%
|
64%
|
| UV | - | - | 1 | 7 | 7 | 2 | - | - |
Thursday (4 September 2025)
| 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%
|
20%
|
30%
|
20%
|
| Temperature (°C) |
19°
|
18°
|
18°
|
22°
|
26°
|
27°
|
25°
|
22°
|
| Feels like temperature (°C) |
19°
|
18°
|
18°
|
22°
|
25°
|
26°
|
24°
|
22°
|
| Wind direction and speed (mph) |
S
6
|
S
6
|
S
6
|
S
9
|
SSW
10
|
SSW
11
|
S
8
|
SSW
8
|
| Wind gust (mph) |
13
|
14
|
20
|
25
|
27
|
25
|
19
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
69%
|
78%
|
82%
|
67%
|
51%
|
52%
|
61%
|
72%
|
| UV | - | - | 1 | 7 | 7 | 2 | - | - |
Friday (5 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
10%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
21°
|
19°
|
19°
|
22°
|
24°
|
25°
|
23°
|
21°
|
| Feels like temperature (°C) |
21°
|
20°
|
19°
|
22°
|
24°
|
24°
|
23°
|
21°
|
| Wind direction and speed (mph) |
SSW
7
|
SW
6
|
WNW
6
|
NW
7
|
WSW
6
|
SW
8
|
SSW
7
|
SW
7
|
| Wind gust (mph) |
15
|
15
|
18
|
20
|
23
|
20
|
16
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
86%
|
86%
|
66%
|
48%
|
45%
|
58%
|
65%
|
| UV | - | - | 1 | 7 | 7 | 2 | - | - |
Saturday (6 September 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%
|
10%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
19°
|
18°
|
18°
|
22°
|
25°
|
25°
|
22°
|
20°
|
| Feels like temperature (°C) |
19°
|
18°
|
18°
|
21°
|
24°
|
25°
|
22°
|
19°
|
| Wind direction and speed (mph) |
W
6
|
W
5
|
NW
4
|
WNW
6
|
W
6
|
WSW
6
|
W
6
|
W
6
|
| Wind gust (mph) |
13
|
10
|
16
|
19
|
19
|
17
|
13
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
79%
|
77%
|
53%
|
41%
|
41%
|
51%
|
62%
|
| UV | - | - | 1 | 7 | 7 | 2 | - | - |
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Forecast for 06:00 (UTC-4), Sun
Updated 07:24 (UTC+1) on Sun 31 Aug 2025
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