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      Elev 114 ft, 38.960 °N 77.382 °W

      Reston, VA

      Herndon Station51°
      Sat, Oct 31, 2026
      Tonight
      Sat 10/31
      Low 45°f
      4% Precip. / 0 in
      Partly cloudy skies this evening will become overcast overnight. Low around 45F. Winds light and variable.
      Tomorrow
      Sun 11/01
      High 65°f
      4% Precip. / 0 in
      Cloudy early with partial sunshine expected late. High around 65F. Winds light and variable.
      Sunrise 7:35 AM
      Sunset 6:09 PM
      Moonrise 11:18 PM
      Moonset 1:37 PM
      Waning Gibbous, 58% visible
      Hourly Forecast
      Now
      49°
      10PM
      49°
      11PM
      48°
      12AM
      47°
      1AM
      47°
      1AM
      47°
      2AM
      47°
      3AM
      47°
      4AM
      47°
      5AM
      47°
      6AM
      47°
      6:37AM
      Sunrise
      7AM
      46°
      8AM
      50°
      9AM
      54°
      10AM
      58°
      11AM
      60°
      12PM
      62°
      1PM
      63°
      2PM
      64°
      3PM
      63°
      4PM
      63°
      5PM
      60°
      5:08PM
      Sunset
      6PM
      57°
      7PM
      54°
      8PM
      52°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      10:00 pm
      Partly Cloudy
      		 49°F 49°F 1% 0in 46% 42°F 77% 0 mph N 30.49in
      11:00 pm
      Partly Cloudy
      		 48°F 48°F 1% 0in 48% 42°F 82% 0 mph N 30.49in
      Additional Conditions
      1. Pressure 30.49 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point42°F
      5. Humidity 76%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KIAD Station History
      Almanac for October 31, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 63°F 62°F 83°F 2024
      4. Low 40°F 40°F 21°F 1968
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.4 in -
      7. Snow 0 in - in -
      Almanac for November 1, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 65°F 62°F 84°F
      4. Low 45°F 40°F 25°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:35 AM 6:09 PM
      3. Civil Twilight 7:08 AM 6:37 PM
      4. Nautical Twilight 6:36 AM 7:08PM
      5. Astronomical Twilight 6:05 AM 7:39 PM
      1. Length of Visible Light 11h 29m
      2. Length of Day 10h 34m
      3. Tomorrow will be 2 minutes 12 seconds shorter
      1. Moon 11:18 PM 1:37 PM
      2. Waning Gibbous58% of the Moon is Illuminated
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nov 24
      Full Moon
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