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

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Port Republic MD

  • Today

    Today: Sunny, with a high near 49. North wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 36. Calm wind becoming south around 5 mph after midnight.

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. Light southwest wind becoming south 5 to 9 mph in the morning.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. South wind around 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71. South wind 8 to 11 mph.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 49. North wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.
Tonight
Increasing clouds, with a low around 36. Calm wind becoming south around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 56. Light southwest wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 46. South wind around 7 mph.
Thursday
Partly sunny, with a high near 71. South wind 8 to 11 mph.
Thursday Night
A chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Friday
Rain likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Republic MD
 38.48°N 76.55°W (Elev. 98 ft)
Last Update:
4:53 am EDT Mar 24, 2026
Forecast Valid:
6am EDT Mar 24, 2026-6pm EDT Mar 30, 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