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.

Overcast

49°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 49°F (9°C)
Visibility 8.00 mi
Last update 10 Jan 8:15 pm EST
Extended Forecast for

Barstow MD

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 41. West wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Sunday

    Sunday: A slight chance of rain and snow showers between 1pm and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 46. West wind 9 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West wind 11 to 16 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. West wind around 8 mph becoming southwest in the afternoon.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Southwest wind around 6 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 1am. Low around 41. West wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain and snow showers between 1pm and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 46. West wind 9 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 28. West wind 11 to 16 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 45. West wind around 8 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 28. Southwest wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain and snow before 1pm. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Barstow MD
 38.53°N 76.63°W (Elev. 151 ft)
Last Update:
6:53 pm EST Jan 10, 2026
Forecast Valid:
8pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

Radar & Satellite Image

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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