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      Elev 114 ft, 38.960 °N 77.382 °W

      Herndon, VA

      Herndon Station79°

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp808195
      Low Temp676040
      Day Average Temp72.47--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation03.3-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point67.07--
      High70--
      Low65--
      Average67.07--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed10--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.72--
      Astronomy Day Length Rise Set
      Actual Time12h 34m6:48 AM7:22 PM
      Civil Twilight6:21 AM7:49 PM
      Nautical Twilight5:49 AM8:20 PM
      Astronomical Twilight5:17 AM8:53 PM
      Moon: Waxing crescent8:23 AM7:56 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:52 AM 67 °F 65 °F 93 % CALM 0 mph - 29.71 in 0 in Partly Cloudy
      1:52 AM 67 °F 65 °F 93 % CALM 0 mph - 29.7 in 0 in Mostly Cloudy
      2:52 AM 68 °F 66 °F 93 % CALM 0 mph - 29.7 in 0 in Mostly Cloudy
      3:52 AM 68 °F 66 °F 93 % CALM 0 mph - 29.71 in 0 in Mostly Cloudy
      4:52 AM 70 °F 67 °F 90 % E 3 mph - 29.71 in 0 in Cloudy
      5:52 AM 70 °F 67 °F 90 % ENE 3 mph - 29.71 in 0 in Cloudy
      6:52 AM 70 °F 66 °F 87 % E 3 mph - 29.73 in 0 in Cloudy
      7:52 AM 71 °F 67 °F 87 % E 5 mph - 29.74 in 0 in Cloudy
      8:52 AM 72 °F 66 °F 81 % ESE 6 mph - 29.75 in 0 in Cloudy
      9:52 AM 73 °F 66 °F 79 % ESE 9 mph - 29.74 in 0 in Cloudy
      10:52 AM 76 °F 67 °F 74 % ESE 8 mph - 29.75 in 0 in Mostly Cloudy
      11:52 AM 80 °F 69 °F 69 % SE 10 mph - 29.74 in 0 in Mostly Cloudy
      12:52 PM 78 °F 69 °F 74 % S 10 mph - 29.73 in 0 in Cloudy
      1:52 PM 78 °F 70 °F 76 % SE 8 mph - 29.72 in 0 in Cloudy
      2:52 PM 79 °F 70 °F 74 % SE 10 mph - 29.71 in 0 in Cloudy
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