Saint Charles, Maryland Weather
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Weather Forecast for Saint Charles, Maryland : Charles County
Issued: 1:30 am EDT Jul 17, 2025 Latitude: 38.6031746 Longitude: -76.9385839 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Sunny on Today Cloudy on Tonight 30% chance of thunderstorms on Friday 60% chance of thunderstorms on Saturday 50% chance of thunderstorms on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday
High: 95°F Low: 75°F High: 89°F High: 86°F High: 90°F High: 84°F High: 85°F High: 88°F
Low: 72°F Low: 72°F Low: 70°F Low: 67°F Low: 68°F  
Mostly Sunny Cloudy Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
FORT BELVOIR - (KDAA)
73°
Mostly Clear
as of 2:55 AM EDST
Rel. Humidity: 100%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 22000ft
Current Conditions at
ANDREWS AFB - (KADW)
75°
Mostly Clear
as of 2:55 AM EDST
Rel. Humidity: 94%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Few at 17000ft
Current Conditions at
WASHINGTON - (KDCA)
75°
Cloudy
as of 2:52 AM EDST
Rel. Humidity: 94%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Few at 1000ft, Broken at 13000ft, Solid Overcast at 25000ft
Current Conditions at
QUANTICO MCAS - (KNYG)
81°
Clear
Mist
as of 2:56 AM EDST
Rel. Humidity: 83%
Dew Point: 75°F
Visibility: 5 Miles
Pressure: 29.93 in.
Flight Rule: MVFR
Wind Data
10 MPH
190° South
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 95. Heat index values as high as 106. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 75. Southwest wind 5 to 7 mph becoming west after midnight.
30% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. North wind around 6 mph. Chance of precipitation is 30%.
30% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light east wind. Chance of precipitation is 30%.
60% chance of thunderstorms Saturday Saturday... A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 60%.
60% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
50% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 84.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 67.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 85.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 68.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 88.
Current Radar Image


Sun Almanac for Saint Charles, Maryland
Sunrise: 05:58 AM
Sunset: 8:30 PM
Civil Sunrise:05:27 AM
Civil Sunset: 9:01 PM
Nautical Sunrise: 04:49 AM
Nautical Sunset: 9:39 PM
Astro Sunrise: 04:06 AM
Astro Sunset: 10:22 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.