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      Elev 642 ft, 38.895 °N 77.670 °W

      Bull Run Mountain Estates, VA

      Bull Run Mtn Station68°
      Updated: 4:40 AM EDT on September 4, 2026 (GMT -4)
      11 seconds ago
      91°
      66°
      68
      Feels Like 68
      Partly Cloudy
      N
      1
      Same temperature is expected today
      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
        Today
        Fri 09/04
        High 91°f
         31% Precip. / 0.32 in
        Scattered clouds with the possibility of an isolated thunderstorm developing this afternoon. A few storms may be severe. High 91F. Winds NW at 5 to 10 mph. Chance of rain 30%.
        Tonight
        Fri 09/04
        Low 68°f
         52% Precip. / 0.34 in
        A few showers early with scattered thunderstorms arriving overnight. Low 68F. Winds NW at 5 to 10 mph. Chance of rain 50%.
        Tomorrow
        Sat 09/05
        High 79°f61°f
         24% Precip. / 0 in
        Cloudy skies early, followed by partial clearing. A stray shower or thunderstorm is possible. High 79F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        68°
        5AM
        69°
        6AM
        69°
        6:42AM
        Sunrise
        7AM
        69°
        8AM
        74°
        9AM
        77°
        10AM
        80°
        11AM
        83°
        12PM
        85°
        1PM
        87°
        2PM
        89°
        3PM
        89°
        4PM
        31%
        88°
        5PM
        82°
        6PM
        80°
        7PM
        78°
        7:36PM
        Sunset
        8PM
        75°
        9PM
        73°
        10PM
        32%
        73°
        11PM
        33%
        72°
        12AM
        71°
        1AM
        37%
        71°
        2AM
        45%
        71°
        3AM
        48%
        71°
        4AM
        52%
        70°
        Precipitation
        52%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        57
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 8 miles
        3. Clouds Partly Cloudy
        4. Dew Point67°F
        5. Humidity 98%
        6. Rainfall 0.45 in
        7. Snow Depth 0 in
         KIAD Station History
        Almanac for September 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 91°F 82°F 98°F 1937
        4. Low 66°F 60°F 43°F 1908
        5. Rain/Snow Depth
        6. Precipitation 0.66 in - in -
        7. Snow 0 in - in -
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 81°F 97°F
        4. Low 66°F 60°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 7:36 PM
        3. Civil Twilight 6:15 AM 8:03 PM
        4. Nautical Twilight 5:42 AM 8:35PM
        5. Astronomical Twilight 5:09 AM 9:08 PM
        1. Length of Visible Light 13h 48m
        2. Length of Day 12h 53m
        3. Tomorrow will be 2 minutes 26 seconds shorter
        1. Moon - 3:02 PM
        2. Last Quarter51% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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