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      Elev 373 ft, 38.890 °N 77.425 °W

      Chantilly, VA

      Chantilly Station64°

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp918797
      Low Temp716647
      Day Average Temp81.21--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation04.4-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point69.67--
      High73--
      Low63--
      Average69.67--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed12--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.69--
      Astronomy Day Length Rise Set
      Actual Time13h 53m6:17 AM8:11 PM
      Civil Twilight5:48 AM8:40 PM
      Nautical Twilight5:13 AM9:15 PM
      Astronomical Twilight4:35 AM9:53 PM
      Moon: Waning crescent2:13 AM6:12 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:52 AM 72 °F 69 °F 91 % S 3 mph - 29.68 in 0 in Fair
      1:52 AM 74 °F 70 °F 87 % CALM 0 mph - 29.67 in 0 in Fair
      2:52 AM 71 °F 69 °F 93 % CALM 0 mph - 29.66 in 0 in Fair
      3:52 AM 72 °F 70 °F 93 % CALM 0 mph - 29.66 in 0 in Mostly Cloudy
      4:52 AM 72 °F 70 °F 93 % S 3 mph - 29.67 in 0 in Mostly Cloudy
      5:52 AM 73 °F 71 °F 93 % S 3 mph - 29.67 in 0 in Mostly Cloudy
      6:52 AM 73 °F 71 °F 93 % CALM 0 mph - 29.68 in 0 in Mostly Cloudy
      7:52 AM 76 °F 72 °F 87 % CALM 0 mph - 29.71 in 0 in Mostly Cloudy
      8:52 AM 80 °F 73 °F 79 % CALM 0 mph - 29.72 in 0 in Mostly Cloudy
      9:52 AM 84 °F 69 °F 61 % WNW 9 mph - 29.71 in 0 in Mostly Cloudy
      10:52 AM 86 °F 70 °F 59 % WNW 7 mph - 29.72 in 0 in Mostly Cloudy
      11:52 AM 87 °F 70 °F 57 % W 9 mph - 29.71 in 0 in Mostly Cloudy
      12:52 PM 88 °F 69 °F 53 % WNW 12 mph - 29.71 in 0 in Mostly Cloudy
      1:52 PM 89 °F 66 °F 46 % W 8 mph 18 mph 29.71 in 0 in Mostly Cloudy
      2:52 PM 91 °F 63 °F 39 % NW 12 mph 18 mph 29.7 in 0 in Mostly Cloudy
      3:52 PM 91 °F 67 °F 45 % W 6 mph - 29.69 in 0 in Partly Cloudy
      4:52 PM 91 °F 68 °F 47 % VAR 6 mph - 29.67 in 0 in Partly Cloudy
      5:52 PM 90 °F 67 °F 46 % VAR 3 mph - 29.66 in 0 in Partly Cloudy
      6:52 PM 89 °F 70 °F 53 % SSW 5 mph - 29.66 in 0 in Partly Cloudy
      7:52 PM 85 °F 71 °F 63 % SW 3 mph - 29.67 in 0 in Partly Cloudy
      8:52 PM 81 °F 71 °F 72 % SSW 5 mph - 29.67 in 0 in Fair
      9:52 PM 78 °F 72 °F 81 % SSW 3 mph - 29.68 in 0 in Fair
      10:52 PM 78 °F 72 °F 81 % S 3 mph - 29.69 in 0 in Fair
      11:52 PM 78 °F 72 °F 81 % CALM 0 mph - 29.7 in 0 in Fair
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