Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Mostly Cloudy
50°F
10°C
| Humidity | 27% |
| Wind Speed | NW 16 G 25 mph |
| Barometer | 30.09 in (1018.9 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 14 Mar 9:52 am EDT |
Extended Forecast for
Great Falls VA
Today

High: 56 °F
Mostly Sunny
Tonight

Low: 39 °F
Mostly Cloudy
Sunday

High: 59 °F
Mostly Cloudy
Sunday Night
Low: 53 °F
Showers
Likely then
ShowersMonday

High: 71 °F
Showers and
BreezyMonday Night

Low: 29 °F
Rain/Snow
LikelyTuesday

High: 37 °F
Mostly Sunny
Tuesday Night

Low: 23 °F
Mostly Clear
Wednesday

High: 43 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 56. West wind 11 to 14 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 39. Calm wind becoming east around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 59. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers. Low around 53. Southeast wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 71. Breezy, with a south wind 16 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.
Monday Night
Rain showers likely, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 59.
Additional Forecasts and Information
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ABOUT 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)
7:53 am EDT Mar 14, 2026
9am EDT Mar 14, 2026-6pm EDT Mar 20, 2026


