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      Small Craft Advisory
      until 11:00 PM EDT
      Elev 98 ft, 38.984 °N 76.875 °W

      Greenbelt, MD

      Greenbelt Station54°
      Sun, Oct 18, 2026
      Tomorrow
      Sun 10/18
      High 62°f
      1% Precip. / 0 in
      Sunny. High 62F. Winds NNE at 5 to 10 mph.
      Tomorrow night
      Sun 10/18
      Low 39°f
      3% Precip. / 0 in
      Clear skies. Low 39F. Winds light and variable.
      Sunrise 7:20 AM
      Sunset 6:24 PM
      Moonrise 2:37 PM
      Moonset -
      First Quarter, 51% visible
      Hourly Forecast
      12AM
      42°
      1AM
      42°
      2AM
      41°
      3AM
      40°
      4AM
      39°
      5AM
      39°
      6AM
      38°
      7AM
      38°
      7:20AM
      Sunrise
      8AM
      39°
      9AM
      43°
      10AM
      48°
      11AM
      52°
      12PM
      55°
      1PM
      58°
      2PM
      59°
      3PM
      60°
      4PM
      60°
      5PM
      59°
      6PM
      57°
      6:24PM
      Sunset
      7PM
      53°
      8PM
      49°
      9PM
      47°
      10PM
      45°
      11PM
      44°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Clear
      		 42°F 40°F 1% 0in 0% 31°F 64% 5 mph N 30.44in
      1:00 am
      Clear
      		 42°F 39°F 1% 0in 0% 30°F 64% 4 mph N 30.46in
      2:00 am
      Clear
      		 41°F 39°F 1% 0in 0% 31°F 66% 3 mph N 30.47in
      3:00 am
      Clear
      		 40°F 38°F 1% 0in 0% 30°F 67% 4 mph N 30.49in
      4:00 am
      Clear
      		 39°F 37°F 1% 0in 0% 30°F 68% 4 mph N 30.5in
      5:00 am
      Clear
      		 39°F 36°F 1% 0in 0% 30°F 70% 4 mph N 30.51in
      6:00 am
      Clear
      		 38°F 35°F 2% 0in 0% 29°F 70% 4 mph N 30.53in
      7:00 am
      Clear
      		 38°F 36°F 1% 0in 0% 29°F 69% 4 mph NNE 30.54in
      8:00 am
      Sunny
      		 39°F 36°F 1% 0in 0% 30°F 68% 4 mph NNE 30.55in
      9:00 am
      Sunny
      		 43°F 40°F 0% 0in 0% 31°F 61% 5 mph NNE 30.57in
      10:00 am
      Sunny
      		 48°F 46°F 0% 0in 0% 31°F 51% 6 mph NNE 30.58in
      11:00 am
      Sunny
      		 52°F 49°F 0% 0in 0% 29°F 42% 7 mph NNE 30.59in
      12:00 pm
      Sunny
      		 55°F 53°F 0% 0in 0% 28°F 35% 6 mph NNE 30.58in
      1:00 pm
      Sunny
      		 58°F 57°F 0% 0in 0% 27°F 31% 6 mph NNE 30.56in
      2:00 pm
      Sunny
      		 59°F 59°F 0% 0in 0% 28°F 30% 6 mph NNE 30.54in
      3:00 pm
      Sunny
      		 60°F 60°F 0% 0in 0% 28°F 29% 5 mph NNE 30.52in
      4:00 pm
      Sunny
      		 60°F 60°F 0% 0in 0% 30°F 31% 5 mph NNE 30.51in
      5:00 pm
      Sunny
      		 59°F 59°F 0% 0in 0% 32°F 35% 5 mph NNE 30.51in
      6:00 pm
      Sunny
      		 57°F 57°F 0% 0in 0% 34°F 41% 3 mph NE 30.51in
      7:00 pm
      Clear
      		 53°F 53°F 0% 0in 0% 35°F 49% 2 mph NNE 30.51in
      8:00 pm
      Clear
      		 49°F 49°F 0% 0in 0% 36°F 61% 2 mph NNE 30.51in
      9:00 pm
      Clear
      		 47°F 47°F 1% 0in 0% 37°F 68% 1 mph NNE 30.51in
      10:00 pm
      Clear
      		 45°F 45°F 1% 0in 0% 38°F 74% 1 mph NE 30.51in
      11:00 pm
      Clear
      		 44°F 44°F 1% 0in 0% 38°F 79% 2 mph NNE 30.51in
      Additional Conditions
      1. Pressure 30.3 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point30°F
      5. Humidity 39%
      6. Rainfall 0.37 in
      7. Snow Depth 0 in
       KCGS Station History
      Almanac for October 17, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 61°F 68°F 90°F 1908
      4. Low 41°F 46°F 27°F 1937
      5. Rain/Snow Depth
      6. Precipitation 0 in 0.11 in -
      7. Snow 0 in - in -
      Almanac for October 18, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 62°F 68°F 86°F
      4. Low 37°F 46°F 27°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:19 AM 6:25 PM
      3. Civil Twilight 6:52 AM 6:52 PM
      4. Nautical Twilight 6:21 AM 7:23PM
      5. Astronomical Twilight 5:50 AM 7:54 PM
      1. Length of Visible Light 12h 0m
      2. Length of Day 11h 6m
      3. Tomorrow will be 2 minutes 25 seconds shorter
      1. Moon 2:00 PM 11:14 PM
      2. Waxing Crescent41% 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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