Dulles International Airport (IAD) 15 Day Weather Forecast, Washington United States
Current weather conditions and 15 day weather forecast for Dulles International Airport in Washington, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at IAD
| 15 March 2026 Sun 15 ° C ( 59°F )  Partly cloudy |
Feels Like : 14.6 ° C / 58.2°F Humidity : % 17 Pressure : 1021 mb Wind Speed : 10.4 kmph / 6.5 miles from NNW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15-day weather forecast for Dulles International Airport, Washington, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat |  Sunny |
4.6 ° C | 17.5 ° C | 11 ° C | % 33 | 20.5 km/h | 0% |
| 15 March 2026 Sun |  Patchy rain nearby |
4.4 ° C | 11.5 ° C | 8.5 ° C | % 59 | 21.2 km/h | 81% |
| 16 March 2026 Mon |  Heavy rain |
3 ° C | 23.7 ° C | 14.5 ° C | % 89 | 31.3 km/h | 82% |
| 17 March 2026 Tue |  Moderate or heavy snow showers |
-3.2 ° C | 3.7 ° C | 0.2 ° C | % 57 | 25.9 km/h | 86% |
| 18 March 2026 Wed |  Overcast |
-3 ° C | 4.7 ° C | 0.4 ° C | % 44 | 14.8 km/h | 0% |
| 19 March 2026 Thu |  Cloudy |
-0.3 ° C | 10.8 ° C | 3 ° C | % 71 | 12.2 km/h | 0% |
| 20 March 2026 Fri | Partly Cloudy |
1.2 ° C | 15 ° C | 7.9 ° C | % 71 | 7.9 km/h | 0% |
| 21 March 2026 Sat | Partly Cloudy |
8.2 ° C | 15.1 ° C | 11.1 ° C | % 74 | 15.5 km/h | 0% |
| 22 March 2026 Sun | Partly Cloudy |
8.2 ° C | 18.9 ° C | 12.7 ° C | % 75 | 8.3 km/h | 0% |
| 23 March 2026 Mon | Partly Cloudy |
6.4 ° C | 16.2 ° C | 10.9 ° C | % 77 | 16.6 km/h | 0% |
| 24 March 2026 Tue | Patchy rain nearby |
0.9 ° C | 3.3 ° C | 2.6 ° C | % 91 | 14.4 km/h | 84% |
| 25 March 2026 Wed |  Ice pellets |
-1.7 ° C | 3.9 ° C | 0.5 ° C | % 79 | 15.8 km/h | 84% |
| 26 March 2026 Thu |  Heavy snow |
-4 ° C | -1.1 ° C | -2.6 ° C | % 93 | 18.7 km/h | 88% |
| 27 March 2026 Fri | Heavy snow |
-3.8 ° C | 0.9 ° C | -1.2 ° C | % 96 | 21.2 km/h | 84% |
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