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      Small Craft Advisory
      until 9:00 PM EDT
      Elev 12 ft, 38.443 °N 75.764 °W

      Vienna, MD

      Mardela Springs Station82°
      Updated: 12:18 PM EDT on September 12, 2026 (GMT -4)
      3 minutes ago
      82°
      67°
      82
      Feels Like 88
      Partly Cloudy
      N
      11
      Gusts 17 mph
      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
        Sat 09/12
        High 82°f
         9% Precip. / 0 in
        Generally cloudy. High 82F. Winds SE at 10 to 15 mph.
        Tonight
        Sat 09/12
        Low 72°f
         99% Precip. / 0.81 in
        Scattered thunderstorms this evening becoming more widespread overnight. Low 72F. Winds SE at 5 to 10 mph. Chance of rain 100%. Locally heavy rainfall possible.
        Tomorrow
        Sun 09/13
        High 85°f71°f
         62% Precip. / 0.13 in
        Showers likely along with a possible rumble of thunder in the morning, then partly cloudy late. High around 85F. Winds W at 5 to 10 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        81°
        1PM
        81°
        2PM
        81°
        3PM
        81°
        4PM
        80°
        5PM
        80°
        6PM
        79°
        7PM
        77°
        7:16PM
        Sunset
        8PM
        76°
        9PM
        44%
        75°
        10PM
        44%
        75°
        11PM
        74°
        12AM
        42%
        75°
        1AM
        65%
        74°
        2AM
        99%
        74°
        3AM
        99%
        74°
        4AM
        65%
        74°
        5AM
        52%
        74°
        6AM
        63%
        74°
        6:43AM
        Sunrise
        7AM
        63%
        73°
        8AM
        33%
        74°
        9AM
        76°
        10AM
        78°
        11AM
        33%
        80°
        12PM
        33%
        80°
        Precipitation
        99%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        24
        Good
        UV Index
        7
        High
        Additional Conditions
        1. Pressure 30.06 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point68°F
        5. Humidity 65%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KCGE Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 83°F 95°F 1983
        4. Low 67°F 62°F 43°F 1986
        5. Rain/Snow Depth
        6. Precipitation 0.81 in - in -
        7. Snow 0 in - in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 83°F 95°F
        4. Low 67°F 62°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 7:16 PM
        3. Civil Twilight 6:15 AM 7:42 PM
        4. Nautical Twilight 5:44 AM 8:14PM
        5. Astronomical Twilight 5:11 AM 8:46 PM
        1. Length of Visible Light 13h 27m
        2. Length of Day 12h 33m
        3. Tomorrow will be 2 minutes 27 seconds shorter
        1. Moon 8:16 AM 7:50 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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