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

67°F

19°C

Humidity 37%
Wind Speed SW 7 mph
Barometer 29.84 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 20 Mar 6:55 pm EDT
Extended Forecast for

3 Miles NNE Port Republic MD

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Cloudy during the early evening, then gradual clearing, with a low around 49. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Scattered
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 62. Northwest wind 6 to 8 mph becoming northeast in the afternoon.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. Calm wind becoming south around 6 mph in the evening.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. South wind 6 to 9 mph.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Scattered showers, mainly after 2am. Mostly cloudy, with a low around 53. South wind around 8 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers before 2pm. Partly sunny, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 2am. Cloudy during the early evening, then gradual clearing, with a low around 49. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 62. Northwest wind 6 to 8 mph becoming northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 45. Calm wind becoming south around 6 mph in the evening.
Sunday
Partly sunny, with a high near 73. South wind 6 to 9 mph.
Sunday Night
Scattered showers, mainly after 2am. Mostly cloudy, with a low around 53. South wind around 8 mph. Chance of precipitation is 40%.
Monday
Scattered showers before 2pm. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Monday Night
Clear, with a low around 36.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Friday
A chance of rain. Partly sunny, with a high near 60. Chance of precipitation is 40%.
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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:
5:03 pm EDT Mar 20, 2026
Forecast Valid:
7pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation