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.

Fair

32°F

0°C

Humidity 25%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 1 Jan 3:55 pm EST
Extended Forecast for

Port Republic MD

  • Tonight

    Tonight: A slight chance of snow after 2am. Mostly cloudy, with a low around 24. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 41. Calm wind becoming northwest around 5 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Calm wind becoming north around 5 mph after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 37. North wind 3 to 5 mph.

    High: 37 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of freezing rain before 10pm, then a slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 26. Light northeast wind. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Snow

  • Sunday

    Sunday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of snow after 2am. Mostly cloudy, with a low around 24. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 26. Calm wind becoming north around 5 mph after midnight.
Saturday
Mostly cloudy, with a high near 37. North wind 3 to 5 mph.
Saturday Night
A slight chance of freezing rain before 10pm, then a slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 26. Light northeast wind. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 52.
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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 1, 2026
Forecast Valid:
4pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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