National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

53°F

12°C

Humidity 44%
Wind Speed Vrbl 7 mph
Barometer 29.86 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 14 Mar 1:55 am EDT
Extended Forecast for

3 Miles NNE Port Republic MD

  • Overnight

    Overnight: Mostly clear, with a low around 45. West wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. West wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Calm wind becoming east around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57. Southeast wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 51. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 68. Chance of precipitation is 100%.

    High: 68 °F

    Showers

  • Monday Night

    Monday Night: Showers before 2am. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 45. West wind 11 to 13 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 57. West wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 40. Calm wind becoming east around 5 mph after midnight.
Sunday
Partly sunny, with a high near 57. Southeast wind 7 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Showers. Low around 51. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 68. Chance of precipitation is 100%.
Monday Night
Showers before 2am. Low around 31. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Port Republic MD
 38.52°N 76.54°W (Elev. 98 ft)
Last Update:
1:53 am EDT Mar 14, 2026
Forecast Valid:
2am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
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