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      Marine Weather Statement
      until 1:00 PM EDT
      Elev 354 ft, 38.916 °N 77.266 °W

      Vienna, VA

      Northeast Vienna Station74°
      Updated: 10:44 AM EDT on September 12, 2026 (GMT -4)
      8 minutes ago
      81°
      67°
      74
      Feels Like 76
      Cloudy
      N
      7
      Similar 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
        Sat 09/12
        High 81°f
         32% Precip. / 0.02 in
        A few isolated thunderstorms developing this afternoon. High 81F. Winds SE at 5 to 10 mph. Chance of rain 30%.
        Tonight
        Sat 09/12
        Low 71°f
         76% Precip. / 0.28 in
        Thunderstorms this evening giving way to periods of light rain late. Low 71F. Winds SSE at 5 to 10 mph. Chance of rain 80%. Locally heavy rainfall possible.
        Tomorrow
        Sun 09/13
        High 87°f69°f
         24% Precip. / 0 in
        Cloudy early with partial sunshine expected late. High 87F. Winds WNW at 5 to 10 mph.
        Hourly Forecast
        Now
        75°
        11AM
        76°
        12PM
        78°
        1PM
        79°
        2PM
        80°
        3PM
        81°
        4PM
        80°
        5PM
        80°
        6PM
        32%
        79°
        7PM
        48%
        77°
        7:22PM
        Sunset
        8PM
        77%
        76°
        9PM
        60%
        75°
        10PM
        48%
        74°
        11PM
        48%
        73°
        12AM
        58%
        73°
        1AM
        52%
        73°
        2AM
        32%
        73°
        3AM
        40%
        73°
        4AM
        57%
        73°
        5AM
        71%
        72°
        6AM
        60%
        72°
        6:48AM
        Sunrise
        7AM
        72°
        8AM
        35%
        73°
        9AM
        75°
        10AM
        77°
        Precipitation
        77%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        51
        Moderate
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.07 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point67°F
        5. Humidity 76%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KIAD Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 81°F 95°F 2019
        4. Low 67°F 61°F 38°F 1993
        5. Rain/Snow Depth
        6. Precipitation 0.3 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 80°F 95°F
        4. Low 67°F 60°F 41°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:47 AM 7:22 PM
        3. Civil Twilight 6:21 AM 7:48 PM
        4. Nautical Twilight 5:49 AM 8:20PM
        5. Astronomical Twilight 5:16 AM 8:52 PM
        1. Length of Visible Light 13h 27m
        2. Length of Day 12h 34m
        3. Tomorrow will be 2 minutes 29 seconds shorter
        1. Moon 8:22 AM 7:55 PM
        2. Waxing Crescent2% 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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