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.

Partly Cloudy

59°F

15°C

Humidity 91%
Wind Speed SW 7 mph
Barometer 30.13 in
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 9 Jan 11:35 pm EST
Extended Forecast for

Port Republic MD

  • Tonight

    Tonight: Rain likely, mainly after 5am. Cloudy, with a low around 45. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly before 4pm. High near 51. Northeast wind around 7 mph becoming east in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly between 7pm and 1am. Low around 40. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: A slight chance of rain before 2pm, then a slight chance of rain and snow showers. Cloudy through mid morning, then gradual clearing, with a high near 48. West wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West wind 13 to 17 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Cloudy, with a low around 45. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, mainly before 4pm. High near 51. Northeast wind around 7 mph becoming east in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain, mainly between 7pm and 1am. Low around 40. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A slight chance of rain before 2pm, then a slight chance of rain and snow showers. Cloudy through mid morning, then gradual clearing, with a high near 48. West wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 28. West wind 13 to 17 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 37.
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:
9:53 pm EST Jan 9, 2026
Forecast Valid:
11pm EST Jan 9, 2026-6pm EST Jan 16, 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