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

47°F

8°C

Humidity 47%
Wind Speed S 13 G 22 mph
Barometer 30.13 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Mar 12:55 pm EDT
Extended Forecast for

Port Republic MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 54. Breezy, with a south wind 17 to 20 mph, with gusts as high as 33 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 42. West wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. West wind 7 to 9 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Calm wind becoming east around 5 mph after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 58. Southeast wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 69. Breezy. Chance of precipitation is 90%.

    High: 69 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 34. Chance of precipitation is 80%.

    Low: 34 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am. Partly sunny, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 54. Breezy, with a south wind 17 to 20 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 42. West wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 57. West wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 42. Calm wind becoming east around 5 mph after midnight.
Sunday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 58. Southeast wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Showers, mainly after 8pm. Low around 51. Chance of precipitation is 90%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 69. Breezy. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 34. Chance of precipitation is 80%.
Tuesday
A chance of showers before 8am. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 51.
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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:
10:53 am EDT Mar 13, 2026
Forecast Valid:
1pm EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation