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      Coastal Flood Advisory
      until 4:00 PM EDT
      Elev 3 ft, 38.340 °N 77.062 °W

      Dahlgren, VA

      Swallows Landings Station64°
      Updated: 12:33 PM EDT on October 21, 2026 (GMT -4)
      4 minutes ago
      66°
      48°
      64
      Feels Like 64
      Sunny
      N
      8
      Lower temperature is expected today
      Wundermap

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       Wundermap
      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
        Wed 10/21
        High 66°f
         0% Precip. / 0 in
        Sunny. High 66F. Winds N at 5 to 10 mph.
        Tonight
        Wed 10/21
        Low 44°f
         3% Precip. / 0 in
        Clear skies. Low 44F. Winds light and variable.
        Tomorrow
        Thu 10/22
        High 69°f48°f
         3% Precip. / 0 in
        Sunny skies. Warm. High 69F. Winds NNW at 5 to 10 mph.
        Hourly Forecast
        Now
        63°
        1PM
        63°
        2PM
        65°
        3PM
        66°
        4PM
        66°
        5PM
        65°
        6PM
        62°
        6:21PM
        Sunset
        7PM
        57°
        8PM
        54°
        9PM
        52°
        10PM
        50°
        11PM
        50°
        12AM
        49°
        1AM
        49°
        2AM
        48°
        3AM
        48°
        4AM
        47°
        5AM
        46°
        6AM
        46°
        7AM
        45°
        7:24AM
        Sunrise
        8AM
        46°
        9AM
        51°
        10AM
        55°
        11AM
        58°
        12PM
        61°
        Precipitation
        4%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        18
        Good
        UV Index
        5
        Moderate
        Additional Conditions
        1. Pressure 30.19 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point39°F
        5. Humidity 42%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KNDY Station History
        Almanac for October 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 70°F 84°F 1993
        4. Low 48°F 47°F 30°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.1 in -
        7. Snow 0 in - in -
        Almanac for October 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 69°F 84°F
        4. Low 44°F 46°F 32°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:23 AM 6:21 PM
        3. Civil Twilight 6:56 AM 6:48 PM
        4. Nautical Twilight 6:25 AM 7:19PM
        5. Astronomical Twilight 5:54 AM 7:50 PM
        1. Length of Visible Light 11h 52m
        2. Length of Day 10h 58m
        3. Tomorrow will be 2 minutes 20 seconds shorter
        1. Moon 4:00 PM 2:23 AM
        2. Waxing Gibbous79% 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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