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      Frost Advisory
      until 9:00 AM EDT
      Elev 373 ft, 38.890 °N 77.425 °W

      Chantilly, VA

      Chantilly Station43°
      Sun, Oct 25, 2026
      Tonight
      Sat 10/24
      Low 38°f
      5% Precip. / 0 in
      Some clouds. Low 38F. Winds light and variable.
      Tomorrow
      Sun 10/25
      High 66°f
      7% Precip. / 0 in
      Partly cloudy skies. High 66F. Winds light and variable.
      Sunrise 7:29 AM
      Sunset 6:17 PM
      Moonrise 5:43 PM
      Moonset 6:51 AM
      Waxing Gibbous, 99% visible
      Hourly Forecast
      Now
      41°
      2AM
      41°
      3AM
      40°
      4AM
      39°
      5AM
      40°
      6AM
      40°
      7AM
      40°
      7:29AM
      Sunrise
      8AM
      40°
      9AM
      46°
      10AM
      50°
      11AM
      55°
      12PM
      59°
      1PM
      61°
      2PM
      63°
      3PM
      64°
      4PM
      65°
      5PM
      64°
      6PM
      61°
      6:17PM
      Sunset
      7PM
      57°
      8PM
      55°
      9PM
      52°
      10PM
      49°
      11PM
      47°
      12AM
      45°
      1AM
      43°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      2:00 am
      Partly Cloudy
      		 41°F 41°F 4% 0in 48% 40°F 96% 0 mph N 30.55in
      3:00 am
      Partly Cloudy
      		 40°F 40°F 3% 0in 44% 40°F 99% 0 mph N 30.55in
      4:00 am
      Partly Cloudy
      		 39°F 39°F 4% 0in 43% 39°F 98% 0 mph N 30.54in
      5:00 am
      Partly Cloudy
      		 40°F 40°F 4% 0in 32% 39°F 96% 1 mph NNW 30.55in
      6:00 am
      Mostly Clear
      		 40°F 40°F 4% 0in 25% 39°F 95% 1 mph NNW 30.56in
      7:00 am
      Mostly Clear
      		 40°F 40°F 4% 0in 25% 39°F 94% 1 mph NNW 30.58in
      8:00 am
      Partly Cloudy
      		 40°F 40°F 3% 0in 33% 39°F 95% 1 mph NNW 30.58in
      9:00 am
      Partly Cloudy
      		 46°F 46°F 7% 0in 34% 41°F 83% 2 mph NNW 30.6in
      10:00 am
      Mostly Sunny
      		 50°F 50°F 6% 0in 23% 43°F 77% 2 mph NNW 30.6in
      11:00 am
      Sunny
      		 55°F 55°F 2% 0in 3% 44°F 68% 2 mph N 30.6in
      12:00 pm
      Sunny
      		 59°F 59°F 0% 0in 4% 44°F 58% 3 mph NNW 30.58in
      1:00 pm
      Sunny
      		 61°F 61°F 0% 0in 8% 44°F 53% 2 mph SSW 30.54in
      2:00 pm
      Sunny
      		 63°F 63°F 0% 0in 7% 44°F 49% 2 mph S 30.51in
      3:00 pm
      Sunny
      		 64°F 64°F 0% 0in 0% 44°F 48% 3 mph SW 30.48in
      4:00 pm
      Sunny
      		 65°F 65°F 0% 0in 3% 45°F 49% 4 mph SSW 30.47in
      5:00 pm
      Sunny
      		 64°F 64°F 0% 0in 3% 46°F 52% 4 mph S 30.46in
      6:00 pm
      Sunny
      		 61°F 61°F 1% 0in 0% 46°F 57% 3 mph S 30.46in
      7:00 pm
      Clear
      		 57°F 57°F 3% 0in 0% 46°F 66% 3 mph SSW 30.46in
      8:00 pm
      Clear
      		 55°F 55°F 4% 0in 0% 45°F 70% 2 mph SSE 30.46in
      9:00 pm
      Clear
      		 52°F 52°F 5% 0in 0% 45°F 76% 2 mph SSE 30.45in
      10:00 pm
      Clear
      		 49°F 49°F 6% 0in 0% 45°F 85% 2 mph S 30.44in
      11:00 pm
      Clear
      		 47°F 47°F 6% 0in 0% 44°F 91% 2 mph SSW 30.44in
      Additional Conditions
      1. Pressure 30.55 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point40°F
      5. Humidity 95%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KIAD Station History
      Almanac for October 25, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 65°F 65°F 81°F 2023
      4. Low 38°F 42°F 27°F 1969
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.1 in -
      7. Snow 0 in 0 in -
      Almanac for October 26, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 71°F 64°F 84°F
      4. Low 38°F 41°F 26°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:29 AM 6:17 PM
      3. Civil Twilight 7:02 AM 6:44 PM
      4. Nautical Twilight 6:31 AM 7:15PM
      5. Astronomical Twilight 6:00 AM 7:46 PM
      1. Length of Visible Light 11h 42m
      2. Length of Day 10h 48m
      3. Tomorrow will be 2 minutes 20 seconds shorter
      1. Moon 5:43 PM 6:51 AM
      2. Waxing Gibbous99% 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
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