Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Fog/Mist
42°F
6°C
| Humidity | 92% |
| Wind Speed | S 8 mph |
| Barometer | 30.22 in (1023.5 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 5.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 9 Jan 7:52 am EST |
Extended Forecast for
Great Falls VA
Today
High: 56 °F
Mostly Cloudy
then Rain
LikelyTonight
Low: 46 °F
Chance Rain
Saturday
High: 49 °F
Rain
Saturday Night
Low: 40 °F
Rain Likely
Sunday
High: 45 °F
Slight Chance
RainSunday Night
Low: 29 °F
Mostly Clear
Monday
High: 43 °F
Sunny
Monday Night
Low: 29 °F
Mostly Clear
Tuesday
High: 49 °F
Mostly Sunny
Detailed Forecast
Today
Rain likely, mainly between 2pm and 5pm. Increasing clouds, with a high near 56. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain before 9pm, then a chance of rain after 5am. Cloudy, with a low around 46. Southwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Saturday
Rain, mainly after 7am. High near 49. Northeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 40. Light northwest wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain before 1pm. Mostly sunny, with a high near 45. West wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Great Falls VA
39.01°N 77.29°W (Elev. 348 ft)
39.01°N 77.29°W (Elev. 348 ft)
6:53 am EST Jan 9, 2026
8am EST Jan 9, 2026-6pm EST Jan 15, 2026
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