National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

78°F

26°C

Humidity 55%
Wind Speed S 8 mph
Barometer 29.91 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Mar 12:35 pm EDT
Extended Forecast for

Barstow MD

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 79. South wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 4am. Some of the storms could be severe. Mostly cloudy, with a low around 46. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Thursday

    Thursday: Showers, mainly before 5pm. Temperature falling to around 45 by 2pm. Northwest wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F⇓

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 32. Northwest wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 55. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 79. South wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, then showers likely after 4am. Some of the storms could be severe. Mostly cloudy, with a low around 46. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, mainly before 5pm. Temperature falling to around 45 by 2pm. Northwest wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 32. Northwest wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 55. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Rain, mainly after 8pm. Low around 49. Chance of precipitation is 80%.
Monday
Rain. High near 64. Chance of precipitation is 80%.
Monday Night
Rain likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Barstow MD
 38.51°N 76.63°W (Elev. 56 ft)
Last Update:
10:57 am EDT Mar 11, 2026
Forecast Valid:
12pm EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation