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      Darnestown, MD

      undefined Station71°
      Updated: 3:40 AM EDT on September 18, 2026 (GMT -4)
      53 seconds ago
      83°
      68°
      71
      Feels Like 71
      Partly Cloudy
      N
      0
      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
        Fri 09/18
        High 83°f
         21% Precip. / 0 in
        Partly cloudy skies this morning will become overcast during the afternoon. Slight chance of a rain shower. High 83F. Winds NNW at 5 to 10 mph.
        Tonight
        Fri 09/18
        Low 61°f
         10% Precip. / 0 in
        Partly cloudy skies. Low 61F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Sat 09/19
        High 76°f66°f
         8% Precip. / 0 in
        Partly cloudy skies. High 76F. Winds light and variable.
        Hourly Forecast
        Now
        71°
        4AM
        71°
        5AM
        71°
        6AM
        71°
        6:53AM
        Sunrise
        7AM
        71°
        8AM
        73°
        9AM
        76°
        10AM
        78°
        11AM
        81°
        12PM
        82°
        1PM
        82°
        2PM
        82°
        3PM
        81°
        4PM
        82°
        5PM
        81°
        6PM
        80°
        7PM
        78°
        7:12PM
        Sunset
        8PM
        75°
        9PM
        73°
        10PM
        71°
        11PM
        70°
        12AM
        69°
        1AM
        69°
        2AM
        68°
        3AM
        67°
        Precipitation
        22%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        56
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.06 in
        2. Visibility 8 miles
        3. Clouds Partly Cloudy
        4. Dew Point71°F
        5. Humidity 100%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGAI Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 77°F 91°F 1927
        4. Low 68°F 56°F 39°F 1943
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.14 in -
        7. Snow 0 in - in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 77°F 92°F
        4. Low 68°F 56°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:53 AM 7:12 PM
        3. Civil Twilight 6:26 AM 7:39 PM
        4. Nautical Twilight 5:55 AM 8:10PM
        5. Astronomical Twilight 5:22 AM 8:42 PM
        1. Length of Visible Light 13h 12m
        2. Length of Day 12h 19m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 2:38 PM 11:30 PM
        2. First Quarter49% 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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