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      Coastal Flood Advisory
      until 11:00 PM EDT
      +1 more alert
      Elev 157 ft, 39.146 °N 76.687 °W

      Harmans, MD

      Severn(MunsonHeights), Md Station61°
      Updated: 5:41 AM EDT on October 11, 2026 (GMT -4)
      5 minutes ago
      66°
      61°
      61
      Feels Like 61
      Rain
      N
      12
      Gusts 24 mph
      Lower temperature is expected today
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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
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      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Sun 10/11
        High 66°f
         100% Precip. / 0.91 in
        A steady rain this morning. Showers with perhaps a rumble of thunder developing for the afternoon. High 66F. Winds E at 10 to 20 mph. Chance of rain 100%. Rainfall possibly over one inch. Localized flooding is possible.
        Tonight
        Sun 10/11
        Low 59°f
         79% Precip. / 0.42 in
        Scattered thunderstorms this evening. A steady rain arriving overnight. Potential for heavy rainfall. Low 59F. Winds NNE at 5 to 10 mph. Chance of rain 80%.
        Tomorrow
        Mon 10/12
        High 73°f54°f
         24% Precip. / 0 in
        Chance of a morning shower. Cloudy early with partial sunshine expected late. High 73F. Winds NNW at 10 to 15 mph.
        Hourly Forecast
        Now
        63°
        6AM
        91%
        63°
        7AM
        74%
        62°
        7:12AM
        Sunrise
        8AM
        99%
        62°
        9AM
        100%
        63°
        10AM
        100%
        64°
        11AM
        100%
        65°
        12PM
        98%
        65°
        1PM
        81%
        65°
        2PM
        91%
        66°
        3PM
        79%
        66°
        4PM
        61%
        66°
        5PM
        60%
        66°
        6PM
        61%
        66°
        6:33PM
        Sunset
        7PM
        50%
        65°
        8PM
        58%
        64°
        9PM
        53%
        64°
        10PM
        47%
        64°
        11PM
        54%
        64°
        12AM
        70%
        64°
        1AM
        77%
        64°
        2AM
        54%
        63°
        3AM
        63%
        62°
        4AM
        65%
        62°
        5AM
        68%
        62°
        Precipitation
        100%
        Rain likely to continue
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.22 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point58°F
        5. Humidity 86%
        6. Rainfall 0.14 in
        7. Snow Depth 0 in
         KBWI Station History
        Almanac for October 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 70°F 89°F 1954
        4. Low 61°F 48°F 27°F 1964
        5. Rain/Snow Depth
        6. Precipitation 1.32 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for October 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 70°F 89°F
        4. Low 59°F 48°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:12 AM 6:33 PM
        3. Civil Twilight 6:45 AM 7:00 PM
        4. Nautical Twilight 6:14 AM 7:31PM
        5. Astronomical Twilight 5:43 AM 8:02 PM
        1. Length of Visible Light 12h 14m
        2. Length of Day 11h 21m
        3. Tomorrow will be 2 minutes 30 seconds shorter
        1. Moon 8:16 AM 6:45 PM
        2. Waxing Crescent0% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 26
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
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