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      Elev 710 ft, 38.931 °N 77.241 °W

      Tysons, VA

      Updated: 10:12 PM EDT on August 29, 2026 (GMT -4)
      5 minutes ago
      87°
      63°
      74
      Feels Like 74
      Partly Cloudy
      N
      2
      Higher 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
        Sat 08/29
        Low 68°f
        20% Precip. / 0 in
        A few clouds. Low 68F. Winds light and variable.
        Tomorrow
        Sun 08/30
        High 89°f
        20% Precip. / 0 in
        Partly cloudy skies. High 89F. Winds SSW at 5 to 10 mph.
        Tomorrow night
        Sun 08/30
        Low 71°f
        7% Precip. / 0 in
        Partly cloudy. Low 71F. Winds SW at 5 to 10 mph.
        Hourly Forecast
        Now
        71°
        11PM
        70°
        12AM
        70°
        1AM
        69°
        2AM
        69°
        3AM
        69°
        4AM
        68°
        5AM
        68°
        6AM
        69°
        6:36AM
        Sunrise
        7AM
        69°
        8AM
        71°
        9AM
        75°
        10AM
        77°
        11AM
        80°
        12PM
        82°
        1PM
        84°
        2PM
        86°
        3PM
        87°
        4PM
        87°
        5PM
        87°
        6PM
        86°
        7PM
        84°
        7:42PM
        Sunset
        8PM
        81°
        9PM
        79°
        10PM
        78°
        Additional Conditions
        1. Pressure 30.18 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point62°F
        5. Humidity 72%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KJPN Station History
        Almanac for August 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 84°F 99°F 1953
        4. Low 63°F 64°F 43°F 1992
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.7 in -
        7. Snow 0 in 0 in -
        Almanac for August 31, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 84°F 100°F
        4. Low 63°F 64°F 47°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:36 AM 7:42 PM
        3. Civil Twilight 6:08 AM 8:09 PM
        4. Nautical Twilight 5:35 AM 8:42PM
        5. Astronomical Twilight 5:01 AM 9:16 PM
        1. Length of Visible Light 14h 0m
        2. Length of Day 13h 6m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 8:45 PM 9:06 AM
        2. Waning Gibbous91% 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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        Weather Alerts
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