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      Small Craft Advisory
      until 6:00 AM EDT
      Elev 157 ft, 39.146 °N 76.687 °W

      Severn, MD

      Severn(MunsonHeights), Md Station65°
      Updated: 5:49 PM EDT on September 21, 2026 (GMT -4)
      1 minute ago
      73°
      64°
      65
      Feels Like 65
      Rain
      N
      6
      Lower 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
        Mon 09/21
        Low 60°f
         100% Precip. / 0.3 in
        Cloudy with periods of rain. Low near 60F. Winds ENE at 10 to 15 mph. Chance of rain 100%. Rainfall around a quarter of an inch.
        Tomorrow
        Tue 09/22
        High 63°f
         97% Precip. / 0.49 in
        Periods of rain. High 63F. Winds NE at 10 to 20 mph. Chance of rain 100%. Rainfall around a half an inch.
        Tomorrow night
        Tue 09/22
        Low 54°f
         62% Precip. / 0.2 in
        Steady light rain in the evening. Showers continuing late. Low 54F. Winds NE at 10 to 20 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        65°
        6PM
        94%
        65°
        7PM
        58%
        65°
        7:05PM
        Sunset
        8PM
        65°
        9PM
        66°
        10PM
        65°
        11PM
        65°
        12AM
        65°
        1AM
        43%
        65°
        2AM
        41%
        64°
        3AM
        56%
        64°
        4AM
        82%
        64°
        5AM
        88%
        63°
        6AM
        73%
        62°
        6:54AM
        Sunrise
        7AM
        80%
        62°
        8AM
        77%
        61°
        9AM
        68%
        62°
        10AM
        74%
        61°
        11AM
        79%
        62°
        12PM
        90%
        62°
        1PM
        90%
        62°
        2PM
        97%
        61°
        3PM
        89%
        61°
        4PM
        89%
        61°
        5PM
        92%
        62°
        Precipitation
        97%
        Rain likely to end around 8:00 PM
        Pollen
        Ragweed Pollen
        High
        Air Quality
        18
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.04 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point64°F
        5. Humidity 97%
        6. Rainfall 0.55 in
        7. Snow Depth 0 in
         KBWI Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 78°F 96°F 1931
        4. Low 64°F 57°F 37°F 1962
        5. Rain/Snow Depth
        6. Precipitation 0.3 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 78°F 99°F
        4. Low 64°F 57°F 37°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:53 AM 7:05 PM
        3. Civil Twilight 6:26 AM 7:31 PM
        4. Nautical Twilight 5:55 AM 8:03PM
        5. Astronomical Twilight 5:23 AM 8:34 PM
        1. Length of Visible Light 13h 5m
        2. Length of Day 12h 11m
        3. Tomorrow will be 2 minutes 32 seconds shorter
        1. Moon 4:40 PM 1:25 AM
        2. Waxing Gibbous77% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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