Areas of Fire Weather and Severe Thunderstorms on Friday
Critical fire weather is expected Friday across the Northern Plains, Upper Midwest, and southern High Plains due to gusty winds and low humidity. Severe thunderstorms capable of large to very large hail, wind damage and tornadoes will be possible Friday and Saturday across parts of the central Plains. Read More >
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Mostly Cloudy
52°F
11°C
| Humidity | 66% |
| Wind Speed | W 9 mph |
| Barometer | 29.93 in (1013.4 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 15 May 12:52 am EDT |
Extended Forecast for
Herndon VA
Overnight
Low: 48 °F
Mostly Cloudy
Friday
High: 71 °F
Mostly Sunny
Friday Night
Low: 51 °F
Partly Cloudy
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 62 °F
Partly Cloudy
Sunday
High: 89 °F
Slight Chance
ShowersSunday Night
Low: 64 °F
Partly Cloudy
Monday
High: 94 °F
Sunny
Monday Night
Low: 69 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 48. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 71. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 51. Calm wind.
Saturday
Sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 62. Southwest wind 3 to 7 mph.
Sunday
A slight chance of showers before 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Herndon VA
38.97°N 77.41°W (Elev. 348 ft)
38.97°N 77.41°W (Elev. 348 ft)
10:53 pm EDT May 14, 2026
1am EDT May 15, 2026-6pm EDT May 21, 2026
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