News Headlines
- Starting March 19th, Garrett County MD will be split for many NWS watch/warning/advisory headlines, allowing greater precision and flexibility.
- Issuance time of the morning (AM) Daily Climatological Report will change for all eight official climate stations from 12:30 AM local standard time to 2:30 AM local time year round
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
A Few Clouds
44°F
7°C
| Humidity | 45% |
| Wind Speed | NW 14 G 25 mph |
| Barometer | 30.04 in (1017.2 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 17 Mar 8:52 pm EDT |
Extended Forecast for
Herndon VA
Tonight
Low: 35 °F
Clear
Tuesday
High: 64 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 70 °F
Mostly Sunny
Wednesday Night
Low: 51 °F
Mostly Cloudy
Thursday
High: 67 °F
Chance
Showers then
ShowersThursday Night
Low: 36 °F
Showers then
Chance
ShowersFriday
High: 54 °F
Sunny
Friday Night
Low: 38 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 64. Northwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Wednesday
Mostly sunny, with a high near 70. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 51. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday
Showers, mainly after 2pm. High near 67. Chance of precipitation is 80%.
Thursday Night
Showers, mainly before 8pm. Low around 36. Chance of precipitation is 80%.
Friday
Sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Additional Forecasts and Information
ABOUT THIS FORECAST
Point Forecast:
Herndon VA
38.97°N 77.41°W (Elev. 348 ft)
38.97°N 77.41°W (Elev. 348 ft)
7:30 pm EDT Mar 17, 2025
9pm EDT Mar 17, 2025-6pm EDT Mar 24, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
