Log In
    Favorites
        Member Settings
      Small Craft Advisory
      until 6:00 PM EST
      Elev 387 ft, 38.972 °N 77.390 °W

      Herndon, VA

      Herndon Heights Station48°
      Sat, Nov 7, 2026
      Tonight
      Sat 11/07
      Low 43°f
      3% Precip. / 0 in
      Partly cloudy skies. Low 43F. Winds WNW at 10 to 15 mph.
      Tomorrow
      Sun 11/08
      High 62°f
      3% Precip. / 0 in
      A mainly sunny sky. High 62F. Winds WSW at 5 to 10 mph.
      Sunrise 6:43 AM
      Sunset 5:02 PM
      Moonrise 5:06 AM
      Moonset 3:51 PM
      Waning Crescent, 3% visible
      Hourly Forecast
      Now
      48°
      9PM
      48°
      10PM
      47°
      11PM
      48°
      12AM
      47°
      1AM
      47°
      2AM
      46°
      3AM
      45°
      4AM
      45°
      5AM
      44°
      6AM
      44°
      6:44AM
      Sunrise
      7AM
      43°
      8AM
      47°
      9AM
      50°
      10AM
      53°
      11AM
      56°
      12PM
      58°
      1PM
      60°
      2PM
      61°
      3PM
      61°
      4PM
      60°
      5PM
      57°
      5:01PM
      Sunset
      6PM
      55°
      7PM
      53°
      8PM
      52°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      9:00 pm
      Partly Cloudy
      		 48°F 43°F 1% 0in 41% 35°F 62% 9 mph WNW 30.04in
      10:00 pm
      Mostly Cloudy
      		 47°F 43°F 1% 0in 68% 36°F 64% 9 mph WNW 30.04in
      11:00 pm
      Partly Cloudy
      		 48°F 43°F 1% 0in 59% 36°F 65% 9 mph WNW 30.04in
      Additional Conditions
      1. Pressure 30.04 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point35°F
      5. Humidity 62%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KIAD Station History
      Almanac for November 7, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 61°F 60°F 80°F 2024
      4. Low 46°F 38°F 22°F 1991
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.6 in -
      7. Snow 0 in 0 in -
      Almanac for November 8, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 62°F 59°F 77°F
      4. Low 43°F 38°F 18°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:43 AM 5:02 PM
      3. Civil Twilight 6:15 AM 5:30 PM
      4. Nautical Twilight 5:43 AM 6:02PM
      5. Astronomical Twilight 5:12 AM 6:33 PM
      1. Length of Visible Light 11h 14m
      2. Length of Day 10h 18m
      3. Tomorrow will be 2 minutes 5 seconds shorter
      1. Moon 5:06 AM 3:51 PM
      2. Waning Crescent3% of the Moon is Illuminated
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nov 24
      Full Moon
      Dec 1
      Waning Half Last Qtr
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
      Loading nearby stations…
      Our AppsAbout UsContactCareers
      PWS NetworkWunderMap
      Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
      Level Access
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary