Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest
Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. Read More >
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Partly Cloudy
70°F
21°C
| Humidity | 79% |
| Wind Speed | NE 6 mph |
| Barometer | 30.26 in (1024.5 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 8 Aug 8:52 am EDT |
Extended Forecast for
Herndon VA
Today
High: 83 °F
Mostly Sunny
Tonight
Low: 63 °F
Partly Cloudy
Saturday
High: 85 °F
Sunny
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 65 °F
Mostly Clear
Monday
High: 90 °F
Sunny
Monday Night
Low: 68 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 83. East wind around 7 mph.
Tonight
Partly cloudy, with a low around 63. East wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 85. Northeast wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 63. East wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A chance of showers. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Herndon VA
38.97°N 77.38°W (Elev. 354 ft)
38.97°N 77.38°W (Elev. 354 ft)
7:29 am EDT Aug 8, 2025
9am EDT Aug 8, 2025-6pm EDT Aug 14, 2025
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