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.

Fair

55°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Mar 8:35 am EDT
Extended Forecast for

3 Miles NNE Port Republic MD

  • Today

    Today: Sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. South wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 55. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers, mainly between 8am and 2pm. High near 57. Northwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 54. South wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. South wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 55. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday
Showers, mainly between 8am and 2pm. High near 57. Northwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 33. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Showers. Low around 46. Chance of precipitation is 80%.
Monday
Showers. High near 59. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Port Republic MD
 38.52°N 76.54°W (Elev. 98 ft)
Last Update:
7:53 am EDT Mar 10, 2026
Forecast Valid:
8am EDT Mar 10, 2026-6pm EDT Mar 16, 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