Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fog/Mist

33°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.53 in
Dewpoint 33°F (1°C)
Visibility 6.00 mi
Last update 3 Mar 4:15 am EST
Extended Forecast for

Port Republic MD

  • Overnight

    Overnight: Rain.  Low around 32. Northeast wind around 5 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain

  • Tuesday

    Tuesday: Rain likely before 3pm, then a slight chance of rain after 4pm.  Cloudy, with a high near 47. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly between 7pm and 11pm.  Cloudy, with a low around 44. Southwest wind 5 to 7 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain.  Mostly cloudy, with a high near 59. Southwest wind around 6 mph becoming light and variable  in the afternoon.  Chance of precipitation is 40%.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Cloudy, with a low around 45. Light and variable wind.  Chance of precipitation is 50%.

    Low: 45 °F

    Chance Rain

  • Thursday

    Thursday: A chance of showers.  Partly sunny, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain. Low around 32. Northeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely before 3pm, then a slight chance of rain after 4pm. Cloudy, with a high near 47. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly between 7pm and 11pm. Cloudy, with a low around 44. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59. Southwest wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 70.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Republic MD
 38.48°N 76.55°W (Elev. 98 ft)
3:54 am EST Mar 3, 2026
4am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
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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