National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (KNUI)

Lat: 38.15°NLon: 76.42°WElev: 20ft.

Fair

80°F

27°C

Humidity 52%
Wind Speed Vrbl 6 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 21 Aug 3:53 pm EDT
Extended Forecast for

Saint Marys City MD

  • Tonight

    Tonight: Scattered showers before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 68. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Scattered
    Showers then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 5pm, then isolated showers and thunderstorms after 5pm. High near 80. East wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and 2am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely then
    Isolated
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 85. West wind 3 to 7 mph.

    High: 85 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. Calm wind becoming northwest around 5 mph after midnight.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 68. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm, mainly before 5pm, then isolated showers and thunderstorms after 5pm. High near 80. East wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and thunderstorms likely before 11pm, then isolated showers between 11pm and 2am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 85. West wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 67. Calm wind becoming northwest around 5 mph after midnight.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys City MD
 38.17°N 76.4°W (Elev. 43 ft)
Last Update:
2:22 pm EDT Aug 21, 2026
Forecast Valid:
4pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation