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.

A Few Clouds

76°F

24°C

Humidity 48%
Wind Speed SW 12 mph
Barometer 29.66 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Mar 1:55 am EDT
Extended Forecast for

3 Miles NNE Port Republic MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain before 1pm, then rain and snow. Temperature falling to around 35 by 3pm. Northwest wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 50 °F⇓

    Rain then
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then becoming clear, with a low around 32. West wind 5 to 9 mph.

    Low: 32 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 51 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. South wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Thursday
Rain before 1pm, then rain and snow. Temperature falling to around 35 by 3pm. Northwest wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy during the early evening, then becoming clear, with a low around 32. West wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 51. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 43. South wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly cloudy, with a high near 59.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Monday
Showers. High near 67. Chance of precipitation is 90%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 44.
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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:
1:53 am EDT Mar 12, 2026
Forecast Valid:
2am EDT Mar 12, 2026-6pm EDT Mar 18, 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