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.
Fair
39°F
4°C
| Humidity | 62% |
| Wind Speed | Calm |
| Barometer | 30.03 in (1017.0 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Last update | 19 Mar 2:52 am EDT |
Extended Forecast for
Herndon VASimilar City Names
Overnight
Low: 43 °F
Clear
Wednesday
High: 74 °F
Mostly Sunny
Wednesday Night
Low: 48 °F
Mostly Cloudy
Thursday
High: 69 °F
Isolated
Showers then
ShowersThursday Night
Low: 36 °F
Showers then
Scattered
Showers and
BreezyFriday
High: 56 °F
Sunny and
BreezyFriday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 62 °F
Partly Sunny
Saturday Night
Low: 36 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 43. Calm wind.
Wednesday
Mostly sunny, with a high near 74. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 48. Southeast wind around 11 mph, with gusts as high as 21 mph.
Thursday
Showers, mainly after 2pm. High near 69. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers, mainly before 8pm. Low around 36. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
Friday
Sunny, with a high near 56. Breezy.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Monday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 59.
Additional Forecasts and Information
ABOUT THIS FORECAST
Point Forecast:
Herndon VASimilar City Names
38.97°N 77.38°W (Elev. 354 ft)
38.97°N 77.38°W (Elev. 354 ft)
1:56 am EDT Mar 19, 2025
3am EDT Mar 19, 2025-6pm EDT Mar 25, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
