Washington Dulles International Airport Weather Forecast 15 Days, Weather in IAD Today
Current weather conditions and 15 day weather forecast for Washington Dulles International Airport, District of Columbia, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Washington Dulles International Airport
| 14 May 2026 Thursday 11.1 ° C / 52°F  Partly cloudy |
Feels Like : 9.1 ° C / 48.3°F Humidity : % 97 Pressure : 1009 mb Wind Speed : 16.9 kmph / 10.5 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Washington Dulles International Airport, DC, USA
Weather Forecast for next 15 Days for Washington Dulles International Airport including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Washington Dulles International Airport, District of Columbia state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 May 2026 Thursday |  Overcast |
10.5 ° C (50.9°F) |
15 ° C (59°F) |
12.6 ° C (54.7°F) |
% 69 | 0% | 4.7 | Sunrise:05:58 AM Sunset: 08:15 PM |
Moonrise:04:12 AM Moonset: 06:01 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday |  Cloudy |
9.5 ° C (49°F) |
19.8 ° C (67.7°F) |
13.9 ° C (57°F) |
% 60 | 0% | 0.8 | Sunrise:05:57 AM Sunset: 08:16 PM |
Moonrise:04:42 AM Moonset: 07:19 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Partly Cloudy |
9.4 ° C (48.8°F) |
25.2 ° C (77.3°F) |
17.4 ° C (63.3°F) |
% 63 | 0% | 5 | Sunrise:05:56 AM Sunset: 08:16 PM |
Moonrise:05:19 AM Moonset: 08:39 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday |  Patchy rain nearby |
15.5 ° C (59.9°F) |
29.5 ° C (85.1°F) |
21.7 ° C (71.1°F) |
% 74 | 83% | 5 | Sunrise:05:55 AM Sunset: 08:17 PM |
Moonrise:06:05 AM Moonset: 09:57 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday |  Sunny |
16.9 ° C (62.4°F) |
33.3 ° C (92°F) |
23.2 ° C (73.7°F) |
% 72 | 0% | 6 | Sunrise:05:55 AM Sunset: 08:18 PM |
Moonrise:07:02 AM Moonset: 11:07 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
17.9 ° C (64.3°F) |
33.6 ° C (92.5°F) |
25.8 ° C (78.5°F) |
% 57 | 0% | 7 | Sunrise:05:54 AM Sunset: 08:19 PM |
Moonrise:08:11 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
13.9 ° C (57°F) |
27.5 ° C (81.6°F) |
20.6 ° C (69.2°F) |
% 78 | 73% | 5 | Sunrise:05:53 AM Sunset: 08:20 PM |
Moonrise:09:26 AM Moonset: 12:04 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Partly Cloudy |
11.6 ° C (52.8°F) |
23.3 ° C (73.9°F) |
17.1 ° C (62.8°F) |
% 69 | 0% | 5 | Sunrise:05:52 AM Sunset: 08:21 PM |
Moonrise:10:42 AM Moonset: 12:48 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
14 ° C (57.2°F) |
25.4 ° C (77.8°F) |
19.2 ° C (66.6°F) |
% 61 | 0% | 5 | Sunrise:05:52 AM Sunset: 08:22 PM |
Moonrise:11:55 AM Moonset: 01:24 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Partly Cloudy |
12.9 ° C (55.2°F) |
29.7 ° C (85.4°F) |
21 ° C (69.8°F) |
% 64 | 0% | 6 | Sunrise:05:51 AM Sunset: 08:23 PM |
Moonrise:01:04 PM Moonset: 01:52 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
17.6 ° C (63.7°F) |
33.2 ° C (91.7°F) |
23.9 ° C (75.1°F) |
% 73 | 75% | 5 | Sunrise:05:50 AM Sunset: 08:23 PM |
Moonrise:02:09 PM Moonset: 02:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Partly Cloudy |
18.1 ° C (64.6°F) |
32.6 ° C (90.7°F) |
25 ° C (77°F) |
% 66 | 0% | 7 | Sunrise:05:50 AM Sunset: 08:24 PM |
Moonrise:03:12 PM Moonset: 02:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday |  Moderate rain |
20.9 ° C (69.6°F) |
32.6 ° C (90.6°F) |
25.4 ° C (77.7°F) |
% 70 | 72% | 6 | Sunrise:05:49 AM Sunset: 08:25 PM |
Moonrise:04:14 PM Moonset: 03:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Patchy rain nearby |
12.1 ° C (53.7°F) |
22.8 ° C (73°F) |
18.1 ° C (64.6°F) |
% 66 | 84% | 4 | Sunrise:05:49 AM Sunset: 08:26 PM |
Moonrise:05:16 PM Moonset: 03:24 AM Moon Phase ( Waxing Gibbous ) |
|
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