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

43°F

6°C

Humidity 49%
Wind Speed W 16 G 24 mph
Barometer 30.00 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Jan 4:15 pm EST
Extended Forecast for

Port Republic MD

  • This Afternoon

    This Afternoon: A slight chance of rain. Mostly sunny, with a high near 47. Breezy, with a west wind around 21 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 29. West wind 10 to 17 mph, with gusts as high as 36 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. West wind around 8 mph becoming southwest in the afternoon.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Southwest wind 3 to 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48. South wind 3 to 8 mph.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • 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

Detailed Forecast

This Afternoon
A slight chance of rain. Mostly sunny, with a high near 47. Breezy, with a west wind around 21 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 29. West wind 10 to 17 mph, with gusts as high as 36 mph.
Monday
Sunny, with a high near 45. West wind around 8 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 30. Southwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 48. South wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 52.
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 24. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
A chance of rain and snow. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Republic MD
 38.5°N 76.52°W (Elev. 98 ft)
Last Update:
3:53 pm EST Jan 11, 2026
Forecast Valid:
4pm EST Jan 11, 2026-6pm EST Jan 18, 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