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      Elev 387 ft, 38.972 °N 77.390 °W

      Herndon, VA

      Herndon Heights Station51°
      Sat, Oct 24, 2026
      Tonight
      Sat 10/24
      Low 39°f
      11% Precip. / 0 in
      A clear sky. Low 39F. Winds light and variable.
      Tomorrow
      Sun 10/25
      High 66°f
      15% Precip. / 0 in
      Mostly sunny. High 66F. Winds light and variable.
      Sunrise 7:28 AM
      Sunset 6:18 PM
      Moonrise 5:15 PM
      Moonset 5:41 AM
      Waxing Gibbous, 97% visible
      Hourly Forecast
      Now
      52°
      8PM
      51°
      9PM
      50°
      10PM
      47°
      11PM
      47°
      12AM
      46°
      1AM
      44°
      2AM
      43°
      3AM
      42°
      4AM
      41°
      5AM
      41°
      6AM
      40°
      7AM
      40°
      7:29AM
      Sunrise
      8AM
      40°
      9AM
      46°
      10AM
      51°
      11AM
      56°
      12PM
      59°
      1PM
      61°
      2PM
      63°
      3PM
      65°
      4PM
      65°
      5PM
      64°
      6PM
      61°
      6:17PM
      Sunset
      7PM
      57°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      8:00 pm
      Mostly Clear
      		 51°F 51°F 1% 0in 22% 42°F 70% 3 mph ESE 30.53in
      9:00 pm
      Clear
      		 50°F 50°F 1% 0in 14% 42°F 75% 2 mph ESE 30.53in
      10:00 pm
      Clear
      		 47°F 47°F 2% 0in 11% 42°F 81% 2 mph SE 30.54in
      11:00 pm
      Clear
      		 47°F 47°F 2% 0in 16% 42°F 84% 2 mph SE 30.54in
      Additional Conditions
      1. Pressure 30.52 in
      2. Visibility 9 miles
      3. Clouds Partly Cloudy
      4. Dew Point42°F
      5. Humidity 69%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KIAD Station History
      Almanac for October 24, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 65°F 65°F 84°F 2001
      4. Low 36°F 42°F 15°F 1969
      5. Rain/Snow Depth
      6. Precipitation 0 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for October 25, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 66°F 65°F 81°F
      4. Low 39°F 42°F 27°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:28 AM 6:18 PM
      3. Civil Twilight 7:01 AM 6:45 PM
      4. Nautical Twilight 6:29 AM 7:16PM
      5. Astronomical Twilight 5:59 AM 7:47 PM
      1. Length of Visible Light 11h 44m
      2. Length of Day 10h 50m
      3. Tomorrow will be 2 minutes 20 seconds shorter
      1. Moon 5:15 PM 5:41 AM
      2. Waxing Gibbous97% of the Moon is Illuminated
      Oct 26
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nearby Weather Stations
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