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.

Mostly Cloudy

42°F

6°C

Humidity 35%
Wind Speed W 16 G 32 mph
Barometer 30.05 in
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill34°F (1°C)
Last update 11 Jan 4:55 pm EST
Extended Forecast for

Port Republic MD

  • Tonight

    Tonight: Mostly clear, with a low around 29. West wind 8 to 14 mph, with gusts as high as 36 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 46. Southwest wind around 7 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind around 6 mph becoming calm after midnight.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 50%.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West wind 8 to 14 mph, with gusts as high as 36 mph.
Monday
Sunny, with a high near 46. Southwest wind around 7 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 38. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Republic MD
 38.48°N 76.55°W (Elev. 98 ft)
Last Update:
3:53 pm EST Jan 11, 2026
Forecast Valid:
5pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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