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      Small Craft Advisory
      until 3:00 PM EDT
      Elev 120 ft, 38.273 °N 76.495 °W

      Great Mills, MD

      Heards Estates Station73°
      Updated: 4:14 PM EDT on October 11, 2026 (GMT -4)
      9 minutes ago
      74°
      64°
      73
      Feels Like 74
      Showers in Vicinity
      N
      3
      Similar temperature is expected tomorrow
      Wundermap

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       Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
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      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Sun 10/11
        Low 60°f
         86% Precip. / 0.15 in
        Rain. Low around 60F. Winds SSW at 5 to 10 mph. Chance of rain 90%.
        Tomorrow
        Mon 10/12
        High 73°f
         55% Precip. / 0.02 in
        Showers in the morning, then partly cloudy in the afternoon. High 73F. Winds NNW at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Mon 10/12
        Low 55°f
         9% Precip. / 0 in
        Some clouds early will give way to generally clear conditions overnight. Low around 55F. Winds light and variable.
        Hourly Forecast
        Now
        73°
        5PM
        37%
        73°
        6PM
        40%
        73°
        6:33PM
        Sunset
        7PM
        72°
        8PM
        70°
        9PM
        35%
        70°
        10PM
        30%
        70°
        11PM
        69°
        12AM
        68°
        1AM
        67°
        2AM
        34%
        66°
        3AM
        42%
        65°
        4AM
        56%
        64°
        5AM
        80%
        62°
        6AM
        79%
        62°
        7AM
        56%
        61°
        7:12AM
        Sunrise
        8AM
        35%
        61°
        9AM
        62°
        10AM
        63°
        11AM
        64°
        12PM
        66°
        1PM
        69°
        2PM
        71°
        3PM
        72°
        4PM
        72°
        Precipitation
        80%
        Storms continuing through 10 PM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        30
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point72°F
        5. Humidity 96%
        6. Rainfall 0.74 in
        7. Snow Depth 0 in
         KNHK Station History
        Almanac for October 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 68°F 88°F 2018
        4. Low 64°F 48°F 33°F 1993
        5. Rain/Snow Depth
        6. Precipitation 0.15 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for October 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 67°F 84°F
        4. Low 60°F 47°F 34°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:11 AM 6:33 PM
        3. Civil Twilight 6:44 AM 7:00 PM
        4. Nautical Twilight 6:13 AM 7:30PM
        5. Astronomical Twilight 5:43 AM 8:01 PM
        1. Length of Visible Light 12h 15m
        2. Length of Day 11h 22m
        3. Tomorrow will be 2 minutes 24 seconds shorter
        1. Moon 8:13 AM 6:47 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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