Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Overcast
39°F
4°C
| Humidity | 53% |
| Wind Speed | NW 20 G 31 mph |
| Barometer | 30.26 in (1024.8 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 30 Nov 11:52 pm EST |
Extended Forecast for
Herndon VA
Tonight

Low: 29 °F
Partly Cloudy
Monday

High: 42 °F
Mostly Sunny
Monday Night
Low: 29 °F
Mostly Cloudy
then Wintry
MixTuesday
High: 38 °F
Wintry Mix
then RainTuesday Night

Low: 25 °F
Partly Cloudy
Wednesday

High: 39 °F
Sunny
Wednesday Night

Low: 25 °F
Partly Cloudy
Thursday

High: 44 °F
Partly Sunny
Thursday Night

Low: 18 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 29. Northwest wind 10 to 13 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 42. Northwest wind 5 to 10 mph becoming light north in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A chance of snow and sleet between 1am and 4am, then snow, possibly mixed with rain and sleet. Low around 29. Calm wind becoming southeast around 5 mph in the evening. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Tuesday
Rain, possibly mixed with snow and sleet, becoming all rain after 10am. High near 38. Light and variable wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 33.
Friday Night
A chance of snow and freezing rain. Cloudy, with a low around 28. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 42.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Herndon VA
38.97°N 77.38°W (Elev. 354 ft)
38.97°N 77.38°W (Elev. 354 ft)
9:53 pm EST Nov 30, 2025
11pm EST Nov 30, 2025-6pm EST Dec 7, 2025


