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      Small Craft Advisory
      until 8:00 AM EDT
      Elev 112 ft, 38.992 °N 76.970 °W

      Adelphi, MD

      Cool Spring Terrace Station66°
      Updated: 1:05 AM EDT on October 3, 2026 (GMT -4)
      41 seconds ago
      70°
      65°
      66
      Feels Like 66
      Rain
      N
      2
      Lower temperature is expected today
      Wundermap
      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
        Fri 10/02
        Low 60°f
         100% Precip. / 0.04 in
        Rain likely. Low around 60F. Winds N at 5 to 10 mph. Chance of rain 100%.
        Tomorrow
        Sat 10/03
        High 66°f
         48% Precip. / 0.07 in
        Showers in the morning, then cloudy in the afternoon. High 66F. Winds light and variable. Chance of rain 50%.
        Tomorrow night
        Sat 10/03
        Low 60°f
         45% Precip. / 0.02 in
        Cloudy in the evening, then off and on rain showers after midnight. Low around 60F. Winds light and variable. Chance of rain 50%.
        Hourly Forecast
        Now
        65°
        2AM
        47%
        65°
        3AM
        38%
        63°
        4AM
        62°
        5AM
        63°
        6AM
        33%
        61°
        7AM
        60°
        7:05AM
        Sunrise
        8AM
        36%
        60°
        9AM
        35%
        61°
        10AM
        48%
        62°
        11AM
        46%
        62°
        12PM
        46%
        63°
        1PM
        64°
        2PM
        64°
        3PM
        64°
        4PM
        65°
        5PM
        65°
        6PM
        65°
        6:47PM
        Sunset
        7PM
        31%
        64°
        8PM
        62°
        9PM
        62°
        10PM
        61°
        11PM
        62°
        12AM
        62°
        1AM
        61°
        Precipitation
        48%
        Rain ends by 4 AM
        Pollen
        Ragweed Pollen
        High
        Air Quality
        66
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.08 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point63°F
        5. Humidity 93%
        6. Rainfall 0.24 in
        7. Snow Depth 0 in
         KCGS Station History
        Almanac for October 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 73°F 91°F 1954
        4. Low 60°F 52°F 28°F 1908
        5. Rain/Snow Depth
        6. Precipitation 0.09 in 0.12 in -
        7. Snow 0 in - in -
        Almanac for October 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 73°F 93°F
        4. Low 60°F 52°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:05 AM 6:47 PM
        3. Civil Twilight 6:39 AM 7:13 PM
        4. Nautical Twilight 6:08 AM 7:44PM
        5. Astronomical Twilight 5:37 AM 8:15 PM
        1. Length of Visible Light 12h 34m
        2. Length of Day 11h 41m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon - 2:52 PM
        2. Last Quarter54% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 26
        Full Moon
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