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Coster, Maryland Weather Forecast
Coster, Maryland Weather
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Weather Forecast for Coster, Maryland : Calvert County
Issued: 9:29 am EST Nov 7, 2025 Latitude: 38.3573463 Longitude: -76.4707857 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Veterans Day Wednesday Thursday
Increasing Clouds on Today 60% chance of rain on Tonight Mostly Cloudy on Saturday 50% chance of rain on Sunday Partly Sunny on Monday Sunny on Veterans Day Sunny on Wednesday Mostly Sunny on Thursday
High: 64°F Low: 54°F High: 68°F High: 69°F High: 52°F High: 49°F High: 60°F High: 58°F
Low: 52°F Low: 44°F Low: 32°F Low: 38°F Low: 44°F  
Increasing Clouds Rain Mostly Cloudy Rain Partly Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
PATUXENT RIV NAS - (KNHK)
55°
Clear
as of 9:52 AM EST
Rel. Humidity: 50%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 23 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
ST INIGOES/WEBSTER - (KNUI)
55°
Clear
as of 9:53 AM EST
Rel. Humidity: 54%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 21 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
US NAVAL ACADEMY - (KNAK)
54°
Clear
as of 9:54 AM EST
Rel. Humidity: 46%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 20 MPH
180° South
Cloud Level(s): Clear
Increasing Clouds on Today Today... Increasing clouds, with a high near 64. South wind 10 to 13 mph, with gusts as high as 21 mph.
60% chance of rain Tonight Tonight... Showers likely, mainly between 1am and 4am. Mostly cloudy, with a low around 54. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, then gradually becoming sunny, with a high near 68. Northwest wind around 6 mph becoming light and variable in the afternoon.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 52. Light southeast wind.
50% chance of rain Sunday Sunday... A chance of rain. Mostly cloudy, with a high near 69. South wind 5 to 8 mph. Chance of precipitation is 50%.
60% chance of thunderstorms Sunday Night Sunday Night... Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Partly Sunny on Monday Monday... Partly sunny, with a high near 52.
30% chance of rain & snow Monday Night Monday Night... A chance of rain and snow before 1am. Partly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunny on Veterans Day Veterans Day... Sunny, with a high near 49.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 38.
Sunny on Wednesday Wednesday... Sunny, with a high near 60.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 44.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 58.
Current Radar Image


Sun Almanac for Coster, Maryland
Sunrise: 06:39 AM
Sunset: 5:00 PM
Civil Sunrise:06:11 AM
Civil Sunset: 5:28 PM
Nautical Sunrise: 05:40 AM
Nautical Sunset: 5:59 PM
Astro Sunrise: 05:09 AM
Astro Sunset: 6:30 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.