


Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Fair
62°F
17°C
Humidity | 56% |
Wind Speed | N 8 mph |
Barometer | 29.96 in (1014.4 mb) |
Dewpoint | 46°F (8°C) |
Visibility | 10.00 mi |
Last update | 19 May 11:52 pm EDT |
Extended Forecast for
Great Falls VA
Overnight
Low: 49 °F
Mostly Clear
Tuesday
High: 70 °F
Increasing
CloudsTuesday Night
Low: 55 °F
Chance
Showers then
ShowersWednesday
High: 60 °F
Showers
Wednesday Night
Low: 53 °F
Showers
Thursday
High: 66 °F
Chance
Showers then
ShowersThursday Night
Low: 52 °F
Showers then
Chance
ShowersFriday
High: 64 °F
Chance
ShowersFriday Night
Low: 49 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 49. North wind around 6 mph.
Tuesday
Increasing clouds, with a high near 70. North wind around 6 mph.
Tuesday Night
Showers, mainly after 2am. Low around 55. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers. High near 60. Southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 53. East wind 5 to 9 mph. Chance of precipitation is 80%.
Thursday
Showers, mainly after 2pm. High near 66. Chance of precipitation is 80%.
Thursday Night
Showers, mainly before 8pm. Low around 52. Chance of precipitation is 80%.
Friday
A chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 53.
Memorial Day
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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)
10:30 pm EDT May 19, 2025
12am EDT May 20, 2025-6pm EDT May 26, 2025