Saint Margarets Grove, Maryland Weather
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Weather Forecast for Saint Margarets Grove, Maryland : St. Mary's County
Issued: 1:30 pm EDT Jun 25, 2025 Latitude: 38.2598492 Longitude: -76.6066262 View on Google Maps

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This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on This Afternoon 30% chance of thunderstorms on Tonight 30% chance of thunderstorms on Thursday 50% chance of thunderstorms on Friday 30% chance of thunderstorms on Saturday 50% chance of thunderstorms on Sunday 50% chance of thunderstorms on Monday 60% chance of thunderstorms on Tuesday
High: 98°F Low: 76°F High: 94°F High: 86°F High: 90°F High: 89°F High: 90°F High: 92°F
Low: 73°F Low: 74°F Low: 74°F Low: 73°F Low: 77°F  
Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
ST MARYS - (K2W6)
95°
Feels like 101°F
Clear
as of 1:30 PM EDST
Rel. Humidity: 44%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
3 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
PATUXENT RIV NAS - (KNHK)
100°
Feels like 104°F
Mostly Clear
as of 12:52 PM EDST
Rel. Humidity: 33%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
7 MPH
010° North
Cloud Level(s): Few at 5000ft, Few at 25000ft
Current Conditions at
ST INIGOES/WEBSTER - (KNUI)
97°
Feels like 105°F
Clear
as of 12:53 PM EDST
Rel. Humidity: 44%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
6 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
SHANNON ARPT - (KEZF)
97°
Feels like 101°F
Partly Cloudy
as of 1:15 PM EDST
Rel. Humidity: 39%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 5500ft, Scattered at 7000ft, Scattered at 9000ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny and hot, with a high near 98. Heat index values as high as 107. West wind around 6 mph.
30% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
30% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
50% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
50% chance of thunderstorms Friday Friday... A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. East wind 3 to 6 mph. Chance of precipitation is 50%.
30% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
50% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
50% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
30% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.
60% chance of thunderstorms Tuesday Tuesday... Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Saint Margarets Grove, Maryland
Sunrise: 05:45 AM
Sunset: 8:34 PM
Civil Sunrise:05:13 AM
Civil Sunset: 9:05 PM
Nautical Sunrise: 04:33 AM
Nautical Sunset: 9:45 PM
Astro Sunrise: 03:48 AM
Astro Sunset: 10:30 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.