Hourly Weather Forecast for Friday
Washington Dulles International, Virginia (KIAD)
Source 
Forecast data derived from Weather Underground BestForecast
Wednesday Thursday Friday Saturday Sunday Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Temperature / Dew Point (°F):
Humidity (%):
Pressure (in):
Wind (mph):
Conditions:
Probability of Precipitation (%):
Cloud Cover (%):
View Current Conditions
Extended Forecast for Washington Dulles International (KIAD)
Wednesday Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Thunderstorm
90 | 68 °F
Thunderstorm
81 | 61 °F
Chance of Rain
66 | 41 °F
Partly Cloudy
68 | 46 °F
Partly Cloudy
70 | 46 °F
Partly Cloudy
72 | 54 °F
Chance of Rain
75 | 59 °F
Chance of a Thunderstorm
79 | 64 °F
T-storms
50% chance of precipitation
T-storms
70% chance of precipitation
Chance of Rain
20% chance of precipitation
Partly Cloudy Partly Cloudy Partly Cloudy Chance of Rain
20% chance of precipitation
Chance of T-storms
30% chance of precipitation
UV: 5 UV: 4 UV: 7 UV: 8 UV: 7 UV: 6 UV: 4 UV: 6
View Current Conditions