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

39°F

4°C

Humidity 89%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 8 Jan 8:15 pm EST
Extended Forecast for

Issue MD

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Southeast wind 3 to 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 4pm. Increasing clouds, with a high near 59. South wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 59 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain, mainly after 1am. Patchy fog after midnight. Low around 51. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain and
    Patchy Fog

  • Saturday

    Saturday: Rain. High near 60. Northeast wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 60 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 46. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 1pm, then a slight chance of rain and snow. Partly sunny, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Southeast wind 3 to 5 mph.
Friday
A chance of rain, mainly after 4pm. Increasing clouds, with a high near 59. South wind 5 to 9 mph. Chance of precipitation is 30%.
Friday Night
Rain, mainly after 1am. Patchy fog after midnight. Low around 51. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 60. Northeast wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Rain, mainly before 1am. Low around 46. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%.
Sunday
A chance of rain before 1pm, then a slight chance of rain and snow. Partly sunny, with a high near 53. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Issue MD
 38.32°N 76.89°W (Elev. 3 ft)
Last Update:
6:53 pm EST Jan 8, 2026
Forecast Valid:
8pm EST Jan 8, 2026-6pm EST Jan 15, 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