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      Small Craft Advisory
      until 6:00 PM EDT
      Elev 180 ft, 38.998 °N 76.880 °W

      Greenbelt, MD

      Springhill Lake Station66°
      Updated: 9:58 PM EDT on September 25, 2026 (GMT -4)
      7 minutes ago
      76°
      52°
      66
      Feels Like 66
      Clear
      N
      9
      Gusts 19 mph
      Lower temperature is expected tomorrow
      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 09/25
        Low 58°f
         2% Precip. / 0 in
        A few passing clouds, otherwise generally clear. Low 58F. Winds NNW at 10 to 15 mph.
        Tomorrow
        Sat 09/26
        High 66°f
         77% Precip. / 0.22 in
        Cloudy with rain developing later in the day. High 66F. Winds NNW at 10 to 20 mph. Chance of rain 80%. Rainfall near a quarter of an inch.
        Tomorrow night
        Sat 09/26
        Low 58°f
         51% Precip. / 0.07 in
        Overcast with rain showers at times. Low 58F. Winds NNW at 10 to 20 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        65°
        10PM
        64°
        11PM
        63°
        12AM
        62°
        1AM
        61°
        2AM
        60°
        3AM
        60°
        4AM
        60°
        5AM
        60°
        6AM
        59°
        6:59AM
        Sunrise
        7AM
        59°
        8AM
        60°
        9AM
        62°
        10AM
        64°
        11AM
        65°
        12PM
        53%
        65°
        1PM
        64%
        65°
        2PM
        62%
        63°
        3PM
        77%
        63°
        4PM
        76%
        63°
        5PM
        75%
        63°
        6PM
        60%
        62°
        6:58PM
        Sunset
        7PM
        51%
        63°
        8PM
        37%
        61°
        9PM
        33%
        60°
        Precipitation
        77%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        40
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.99 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point46°F
        5. Humidity 51%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KCGS Station History
        Almanac for September 26, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 75°F 93°F 1970
        4. Low 52°F 56°F 36°F 1943
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 27, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 75°F 93°F
        4. Low 52°F 55°F 34°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:58 AM 6:58 PM
        3. Civil Twilight 6:32 AM 7:24 PM
        4. Nautical Twilight 6:01 AM 7:55PM
        5. Astronomical Twilight 5:29 AM 8:26 PM
        1. Length of Visible Light 12h 52m
        2. Length of Day 11h 59m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 6:47 PM 6:50 AM
        2. Full99% 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
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