Mechanicsville, Maryland Weather
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Weather Forecast for Mechanicsville, Maryland : St. Mary's County
Issued: 1:30 pm EDT Jun 25, 2025 Latitude: 38.4429021 Longitude: -76.7438544 View on Google Maps

MouseOver for Detail Forecast
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: 74°F High: 94°F High: 85°F High: 90°F High: 89°F High: 90°F High: 91°F
Low: 72°F Low: 71°F Low: 72°F Low: 72°F Low: 74°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 2:30 PM EDST
Rel. Humidity: 44%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
6 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
PATUXENT RIV NAS - (KNHK)
102°
Feels like 108°F
Mostly Clear
as of 1:52 PM EDST
Rel. Humidity: 33%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
5 MPH
310° Northwest
Cloud Level(s): Few at 6500ft, Few at 30000ft
Current Conditions at
ST INIGOES/WEBSTER - (KNUI)
97°
Feels like 105°F
Clear
as of 1:53 PM EDST
Rel. Humidity: 44%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
US NAVAL ACADEMY - (KNAK)
90°
Feels like 99°F
Clear
as of 1:54 PM EDST
Rel. Humidity: 62%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
10 MPH
120° Southeast
Cloud Level(s): Clear
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 5 mph.
30% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms, mainly between 11pm and 1am. Partly cloudy, with a low around 74. 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 107. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%.
60% chance of thunderstorms Thursday Night Thursday Night... Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 72. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
50% chance of thunderstorms Friday Friday... A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. East wind around 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 71. 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%.
40% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
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 72. 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 74. Chance of precipitation is 30%.
60% chance of thunderstorms Tuesday Tuesday... Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Mechanicsville, Maryland
Sunrise: 05:45 AM
Sunset: 8:35 PM
Civil Sunrise:05:13 AM
Civil Sunset: 9:07 PM
Nautical Sunrise: 04:33 AM
Nautical Sunset: 9:47 PM
Astro Sunrise: 03:47 AM
Astro Sunset: 10:32 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.