Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Overcast
40°F
4°C
| Humidity | 89% |
| Wind Speed | S 8 mph |
| Barometer | 30.09 in (1019.2 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 30 Nov 4:52 pm EST |
Extended Forecast for
3 Miles SSW Herndon VA
Tonight
Low: 29 °F
Mostly Cloudy
Monday
High: 43 °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: 40 °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
Mostly cloudy, with a low around 29. Southwest wind 6 to 13 mph becoming northwest in the evening. Winds could gust as high as 24 mph.
Monday
Mostly sunny, with a high near 43. 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. Southeast wind 3 to 6 mph. 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. Southeast wind 5 to 9 mph becoming northwest 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 9 to 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 40.
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 34.
Friday Night
A chance of snow and freezing rain. Cloudy, with a low around 27. Chance of precipitation is 50%.
Saturday
A chance of rain or freezing 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 43.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Herndon VA
38.93°N 77.42°W (Elev. 308 ft)
38.93°N 77.42°W (Elev. 308 ft)
4:07 pm EST Nov 30, 2025
5pm EST Nov 30, 2025-6pm EST Dec 7, 2025
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