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 29.96 in
Dewpoint 31°F (-1°C)
Visibility 3.00 mi
Last update 6 Dec 1:35 am EST
Extended Forecast for

Port Republic MD

Winter Weather Advisory December 6, 01:53am until December 6, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 6, 01:53am until December 6, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • Overnight

    Low: 32 °F

    Slight Chance
    Freezing Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 43. Light west wind.

    High: 43 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Calm wind becoming northwest around 5 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 45. Light and variable wind becoming south around 5 mph in the afternoon.

    High: 45 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Light and variable wind becoming north 5 to 9 mph after midnight.

    Low: 29 °F

    Partly 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: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

Overnight
A slight chance of freezing rain. Patchy fog. Otherwise, cloudy, with a low around 32. Light northwest wind. Chance of precipitation is 20%.
Saturday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 43. Light west wind.
Saturday Night
Mostly clear, with a low around 29. Calm wind becoming northwest around 5 mph after midnight.
Sunday
Partly sunny, with a high near 45. Light and variable wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 29. Light and variable wind becoming north 5 to 9 mph after midnight.
Monday
Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 50.
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 47.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Republic MD
 38.5°N 76.55°W (Elev. 148 ft)
Last Update:
12:53 am EST Dec 6, 2025
Forecast Valid:
1am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
Forecast Discussion
 
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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