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      Elev 262 ft, 39.037 °N 77.488 °W

      Ashburn, VA

      Ashburn Station79°
      Updated: 4:17 PM EDT on September 11, 2026 (GMT -4)
      4 minutes ago
      80°
      68°
      79
      Feels Like 79
      Cloudy
      N
      5
      Same temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Fri 09/11
        Low 67°f
         31% Precip. / 0.01 in
        Partly cloudy skies during the evening giving way to a few showers after midnight. Low 67F. Winds light and variable. Chance of rain 30%.
        Tomorrow
        Sat 09/12
        High 78°f
         24% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. High 78F. Winds SE at 5 to 10 mph.
        Tomorrow night
        Sat 09/12
        Low 69°f
         82% Precip. / 0.3 in
        Thunderstorms during the evening giving way to periods of light rain overnight. Low 69F. Winds S at 5 to 10 mph. Chance of rain 80%. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        79°
        5PM
        79°
        6PM
        78°
        7PM
        77°
        7:24PM
        Sunset
        8PM
        75°
        9PM
        73°
        10PM
        72°
        11PM
        70°
        12AM
        69°
        1AM
        69°
        2AM
        69°
        3AM
        68°
        4AM
        68°
        5AM
        32%
        69°
        6AM
        69°
        6:48AM
        Sunrise
        7AM
        69°
        8AM
        70°
        9AM
        72°
        10AM
        74°
        11AM
        75°
        12PM
        75°
        1PM
        76°
        2PM
        77°
        3PM
        77°
        4PM
        77°
        Precipitation
        32%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        45
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 29.97 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point68°F
        5. Humidity 68%
        6. Rainfall 0.61 in
        7. Snow Depth 0 in
         KJYO Station History
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 81°F 99°F 2016
        4. Low 68°F 60°F 41°F 1995
        5. Rain/Snow Depth
        6. Precipitation 0.01 in - in -
        7. Snow 0 in - in -
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 78°F 81°F 99°F
        4. Low 68°F 60°F 38°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:47 AM 7:24 PM
        3. Civil Twilight 6:20 AM 7:51 PM
        4. Nautical Twilight 5:49 AM 8:23PM
        5. Astronomical Twilight 5:16 AM 8:55 PM
        1. Length of Visible Light 13h 30m
        2. Length of Day 12h 36m
        3. Tomorrow will be 2 minutes 30 seconds shorter
        1. Moon 7:16 AM 7:32 PM
        2. Waxing Crescent0% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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