Washington Dulles Airport (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 19° Celsius;
Maximum daytime temperature: 28 degrees Celsius; Minimum nighttime temperature: 19 degrees Celsius; -
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 27 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius; -
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 26 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 19° Celsius;
Maximum daytime temperature: 28 degrees Celsius; Minimum nighttime temperature: 19 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: 31° Celsius; Minimum nighttime temperature: 19° Celsius;
Maximum daytime temperature: 31 degrees Celsius; Minimum nighttime temperature: 19 degrees Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 27 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
Sunny intervals.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Washington Dulles Airport
Today (5 September 2026)
| Time |
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
 |
|
 |
|
 |
|
| Chance of precipitation |
40%
|
30%
|
20%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
| Temperature |
28°
|
27°
|
27°
|
26°
|
25°
|
25°
|
24°
|
24°
|
| Feels like temperature (°C) |
29°
|
29°
|
28°
|
28°
|
26°
|
26°
|
25°
|
25°
|
| Wind direction and speed |
N
5
|
N
5
|
N
5
|
N
5
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
5
|
| Wind gust (mph) |
13
|
12
|
11
|
10
|
9
|
9
|
9
|
9
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
60%
|
61%
|
64%
|
67%
|
69%
|
71%
|
71%
|
72%
|
| UV | 2 | 1 | 1 | 1 | - | - | - | - |
Sunday (6 September 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
23°
|
23°
|
22°
|
21°
|
21°
|
20°
|
20°
|
19°
|
19°
|
20°
|
21°
|
23°
|
24°
|
25°
|
26°
|
26°
|
26°
|
26°
|
26°
|
25°
|
24°
|
23°
|
22°
|
21°
|
| Feels like temperature (°C) |
24°
|
23°
|
23°
|
22°
|
21°
|
20°
|
19°
|
19°
|
19°
|
20°
|
21°
|
23°
|
24°
|
25°
|
25°
|
26°
|
26°
|
26°
|
25°
|
24°
|
23°
|
23°
|
22°
|
22°
|
| Wind direction and speed (mph) |
NNE
5
|
NNE
5
|
NNE
5
|
NNE
5
|
NNE
6
|
NNE
6
|
N
6
|
N
6
|
N
6
|
NNE
7
|
NNE
7
|
NNE
6
|
NNE
6
|
NNE
6
|
NNE
7
|
NNE
6
|
NNE
7
|
NNE
6
|
NNE
7
|
NNE
7
|
NNE
7
|
NNE
6
|
NNE
5
|
NNE
4
|
| Wind gust (mph) |
10
|
10
|
10
|
11
|
12
|
12
|
12
|
12
|
14
|
15
|
15
|
16
|
17
|
17
|
17
|
16
|
16
|
15
|
14
|
14
|
13
|
11
|
9
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
70%
|
72%
|
72%
|
70%
|
72%
|
74%
|
75%
|
76%
|
75%
|
74%
|
68%
|
65%
|
56%
|
54%
|
47%
|
42%
|
41%
|
41%
|
45%
|
52%
|
55%
|
58%
|
64%
|
68%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 5 | 7 | 7 | 8 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Monday (7 September 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
21°
|
20°
|
20°
|
19°
|
18°
|
18°
|
17°
|
17°
|
18°
|
19°
|
21°
|
22°
|
24°
|
25°
|
25°
|
26°
|
26°
|
26°
|
26°
|
24°
|
23°
|
22°
|
22°
|
21°
|
| Feels like temperature (°C) |
21°
|
21°
|
20°
|
19°
|
19°
|
18°
|
17°
|
17°
|
18°
|
20°
|
21°
|
23°
|
24°
|
25°
|
25°
|
26°
|
26°
|
26°
|
26°
|
25°
|
23°
|
23°
|
22°
|
22°
|
| Wind direction and speed (mph) |
NNE
4
|
NNE
4
|
NNE
4
|
N
4
|
N
4
|
NNW
4
|
NNW
4
|
NNW
5
|
N
3
|
N
4
|
N
5
|
NNE
4
|
NNE
4
|
NNE
4
|
NNE
4
|
NNE
4
|
NNE
3
|
N
3
|
N
3
|
NNW
4
|
NNW
4
|
NNW
3
|
N
4
|
N
3
|
| Wind gust (mph) |
8
|
7
|
7
|
7
|
8
|
8
|
8
|
8
|
10
|
10
|
11
|
11
|
12
|
12
|
12
|
12
|
11
|
10
|
10
|
9
|
8
|
8
|
6
|
5
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
72%
|
75%
|
77%
|
78%
|
78%
|
80%
|
80%
|
79%
|
78%
|
72%
|
66%
|
61%
|
52%
|
43%
|
41%
|
40%
|
40%
|
40%
|
41%
|
56%
|
60%
|
63%
|
65%
|
67%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Tuesday (8 September 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
20°
|
20°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
18°
|
20°
|
22°
|
24°
|
26°
|
27°
|
27°
|
28°
|
28°
|
28°
|
28°
|
26°
|
25°
|
25°
|
24°
|
23°
|
| Feels like temperature (°C) |
21°
|
20°
|
20°
|
19°
|
18°
|
18°
|
18°
|
17°
|
19°
|
21°
|
23°
|
25°
|
26°
|
27°
|
28°
|
28°
|
28°
|
28°
|
28°
|
27°
|
25°
|
25°
|
24°
|
23°
|
| Wind direction and speed (mph) |
N
3
|
NW
3
|
W
3
|
W
3
|
W
3
|
W
3
|
W
3
|
W
3
|
W
3
|
WSW
2
|
SW
3
|
SW
4
|
SW
4
|
SW
4
|
SW
4
|
SW
4
|
SW
4
|
SSW
4
|
SSW
5
|
SSW
6
|
SSW
6
|
SSW
6
|
SSW
6
|
SSW
6
|
| Wind gust (mph) |
6
|
5
|
6
|
5
|
5
|
5
|
5
|
5
|
6
|
7
|
9
|
11
|
13
|
13
|
13
|
12
|
12
|
11
|
11
|
12
|
11
|
11
|
11
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
72%
|
74%
|
75%
|
75%
|
77%
|
79%
|
83%
|
84%
|
77%
|
73%
|
65%
|
56%
|
48%
|
42%
|
41%
|
40%
|
40%
|
40%
|
41%
|
53%
|
55%
|
59%
|
62%
|
65%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Wednesday (9 September 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
22°
|
22°
|
21°
|
20°
|
20°
|
20°
|
19°
|
19°
|
20°
|
21°
|
23°
|
25°
|
27°
|
28°
|
30°
|
30°
|
31°
|
30°
|
30°
|
29°
|
28°
|
25°
|
| Feels like temperature (°C) |
22°
|
22°
|
21°
|
20°
|
20°
|
20°
|
19°
|
19°
|
20°
|
21°
|
23°
|
25°
|
27°
|
29°
|
30°
|
30°
|
30°
|
30°
|
30°
|
29°
|
28°
|
26°
|
| Wind direction and speed (mph) |
SSW
6
|
SSW
6
|
SSW
6
|
SSW
6
|
SSW
6
|
SSW
6
|
SSW
5
|
SSW
5
|
SSW
4
|
SSW
5
|
SSW
5
|
SSW
6
|
SSW
6
|
SSW
7
|
SW
7
|
SW
7
|
SW
8
|
SW
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
8
|
| Wind gust (mph) |
11
|
11
|
11
|
11
|
11
|
10
|
9
|
10
|
11
|
11
|
13
|
14
|
15
|
16
|
17
|
17
|
17
|
17
|
17
|
16
|
17
|
16
|
| 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 |
67%
|
70%
|
74%
|
75%
|
76%
|
77%
|
81%
|
83%
|
80%
|
75%
|
72%
|
64%
|
57%
|
54%
|
45%
|
42%
|
42%
|
43%
|
47%
|
55%
|
57%
|
66%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 5 | 6 | 7 | 8 | 7 | 5 | 3 | 1 | 1 | 1 | - | - |
Thursday (10 September 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
20%
|
20%
|
40%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
24°
|
22°
|
22°
|
28°
|
30°
|
30°
|
27°
|
24°
|
| Feels like temperature (°C) |
24°
|
23°
|
23°
|
29°
|
31°
|
30°
|
27°
|
25°
|
| Wind direction and speed (mph) |
SW
7
|
SW
6
|
SW
5
|
WSW
7
|
W
10
|
W
9
|
W
7
|
WNW
6
|
| Wind gust (mph) |
13
|
11
|
16
|
20
|
20
|
18
|
14
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
77%
|
78%
|
65%
|
54%
|
53%
|
65%
|
72%
|
| UV | - | - | 1 | 6 | 6 | 1 | - | - |
Friday (11 September 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
22°
|
20°
|
20°
|
23°
|
26°
|
26°
|
23°
|
21°
|
| Feels like temperature (°C) |
23°
|
20°
|
20°
|
22°
|
25°
|
26°
|
23°
|
21°
|
| Wind direction and speed (mph) |
NW
6
|
NW
6
|
NW
5
|
NNW
7
|
NNW
7
|
NNW
6
|
NNW
5
|
N
5
|
| Wind gust (mph) |
14
|
13
|
17
|
17
|
17
|
14
|
10
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
77%
|
75%
|
57%
|
43%
|
43%
|
57%
|
65%
|
| UV | - | - | 1 | 6 | 7 | 1 | - | - |
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Forecast
Forecast for 5pm (UTC-4) Saturday
Updated 19:04 (UTC+1) on Sat 5 Sep 2026
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