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      Small Craft Advisory
      until 4:00 AM EDT
      Elev 16 ft, 38.246 °N 76.976 °W

      Colonial Beach, VA

      Potomac Beach Station87°
      Updated: 1:41 PM EDT on September 9, 2026 (GMT -4)
      5 minutes ago
      88°
      66°
      87
      Feels Like 91
      Sunny
      N
      11
      Gusts 18 mph
      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
        Wed 09/09
        High 88°f
         0% Precip. / 0 in
        Plentiful sunshine. High 88F. Winds SSW at 10 to 15 mph.
        Tonight
        Wed 09/09
        Low 72°f
         2% Precip. / 0 in
        Clear skies. Low 72F. Winds SSW at 10 to 15 mph.
        Tomorrow
        Thu 09/10
        High 90°f71°f
         24% Precip. / 0 in
        Intervals of clouds and sunshine. A stray shower or thunderstorm is possible. High near 90F. Winds WSW at 5 to 10 mph.
        Hourly Forecast
        Now
        87°
        2PM
        87°
        3PM
        87°
        4PM
        88°
        5PM
        86°
        6PM
        85°
        7PM
        81°
        7:25PM
        Sunset
        8PM
        79°
        9PM
        77°
        10PM
        77°
        11PM
        76°
        12AM
        75°
        1AM
        75°
        2AM
        75°
        3AM
        74°
        4AM
        74°
        5AM
        73°
        6AM
        73°
        6:45AM
        Sunrise
        7AM
        73°
        8AM
        74°
        9AM
        77°
        10AM
        80°
        11AM
        83°
        12PM
        85°
        1PM
        87°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        Very High
        Air Quality
        38
        Good
        UV Index
        7
        High
        Additional Conditions
        1. Pressure 30.16 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point64°F
        5. Humidity 47%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KNDY Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 85°F 91°F 1996
        4. Low 66°F 63°F 48°F 1986
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.12 in -
        7. Snow 0 in - in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 85°F 98°F
        4. Low 66°F 63°F 54°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:44 AM 7:25 PM
        3. Civil Twilight 6:17 AM 7:51 PM
        4. Nautical Twilight 5:46 AM 8:23PM
        5. Astronomical Twilight 5:13 AM 8:55 PM
        1. Length of Visible Light 13h 34m
        2. Length of Day 12h 40m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 4:54 AM 6:40 PM
        2. Waning Crescent3% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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