Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Mostly Cloudy
50°F
10°C
| Humidity | 36% |
| Wind Speed | S 13 mph |
| Barometer | 29.78 in (1008.7 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 13 Jan 7:52 pm EST |
Extended Forecast for
Great Falls VA
Tonight

Low: 41 °F
Mostly Cloudy
Wednesday

High: 51 °F
Chance Rain
Wednesday Night

Low: 24 °F
Rain/Snow
LikelyThursday

High: 30 °F
Mostly Sunny
Thursday Night

Low: 17 °F
Mostly Clear
Friday

High: 34 °F
Mostly Sunny
Friday Night

Low: 28 °F
Partly Cloudy
Saturday

High: 43 °F
Mostly Sunny
Saturday Night

Low: 22 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 41. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of rain before 11am, then a chance of rain after 3pm. Cloudy, with a high near 51. Southwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday Night
Rain and snow likely before 1am, then a chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 24. Light and variable wind becoming northwest 6 to 11 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 30. Northwest wind 14 to 17 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 17. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 28.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
6:53 pm EST Jan 13, 2026
7pm EST Jan 13, 2026-6pm EST Jan 20, 2026


