



Hot in Parts of the West; Cold Blast Coming to the Central U.S.
Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Fair
54°F
12°C
Humidity | 83% |
Wind Speed | Calm |
Barometer | 30.22 in (1023.0 mb) |
Dewpoint | 49°F (9°C) |
Visibility | 10.00 mi |
Last update | 1 Sep 12:52 am EDT |
Extended Forecast for
2 Miles SW Herndon VA
Overnight
Low: 52 °F
Mostly Clear
Labor Day
High: 79 °F
Sunny
Monday Night
Low: 56 °F
Partly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 57 °F
Partly Cloudy
Wednesday
High: 80 °F
Mostly Sunny
Wednesday Night
Low: 61 °F
Partly Cloudy
Thursday
High: 83 °F
Mostly Sunny
then Chance
ShowersThursday Night
Low: 63 °F
Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 52. Calm wind.
Labor Day
Sunny, with a high near 79. North wind 5 to 10 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 56. East wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 57. Light and variable wind.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles SW Herndon VA
38.95°N 77.42°W (Elev. 351 ft)
38.95°N 77.42°W (Elev. 351 ft)
1:30 am EDT Sep 1, 2025
2am EDT Sep 1, 2025-6pm EDT Sep 7, 2025