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

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fog/Mist

32°F

0°C

Humidity 99%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 32°F (0°C)
Visibility 4.00 mi
Last update 5 Dec 9:55 pm EST
Extended Forecast for

3 Miles NE Charlotte Hall MD

Winter Weather Advisory December 5, 10:18pm until December 6, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 5, 10:18pm until December 6, 01:00am

    NOW until 1:00am Sat

    Winter Weather Advisory

  • Tonight

    Low: 30 °F

    Freezing Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Light and variable wind.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 44. Light and variable wind.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. Calm wind becoming north 5 to 8 mph after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Tonight
Freezing rain, mainly before 1am. Patchy fog. Low around 30. Light northwest wind. Chance of precipitation is 80%. Little or no ice accumulation expected.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 44. Calm wind.
Saturday Night
Mostly clear, with a low around 27. Light and variable wind.
Sunday
Partly sunny, with a high near 44. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 28. Calm wind becoming north 5 to 8 mph after midnight.
Monday
Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Charlotte Hall MD
 38.5°N 76.75°W (Elev. 148 ft)
Last Update:
9:53 pm EST Dec 5, 2025
Forecast Valid:
10pm EST Dec 5, 2025-6pm EST Dec 12, 2025
 
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