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

46°F

8°C

Humidity 60%
Wind Speed W 3 mph
Barometer 29.98 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 14 Mar 7:15 am EDT
Extended Forecast for

Barstow MD

  • Today

    Today: Mostly sunny, with a high near 57. West wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58. Southeast wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 51. Southeast wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 70. Breezy, with a south wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    High: 70 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 2am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Showers then
    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 57. West wind 8 to 14 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 39. Light and variable wind.
Sunday
Partly sunny, with a high near 58. Southeast wind 6 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 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 70. Breezy, with a south wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Monday Night
Rain showers before 2am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 36.
Friday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Barstow MD
 38.53°N 76.63°W (Elev. 151 ft)
Last Update:
4:53 am EDT Mar 14, 2026
Forecast Valid:
7am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation