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

83°F

28°C

Humidity 46%
Wind Speed S 12 G 20 mph
Barometer 29.82 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 11 Mar 3:15 pm EDT
Extended Forecast for

Barstow MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. South wind 11 to 13 mph, with gusts as high as 18 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms before 8pm, then a chance of showers after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 49. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Thursday

    Thursday: Rain and snow showers, mainly before 4pm. Temperature falling to around 39 by 2pm. Northwest wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 52 °F⇓

    Showers then
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 30. West wind 5 to 8 mph becoming calm after midnight.

    Low: 30 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 53. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 53 °F

    Mostly Sunny
    then Mostly
    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 59.

    High: 59 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. South wind 11 to 13 mph, with gusts as high as 18 mph.
Tonight
Scattered showers and thunderstorms before 8pm, then a chance of showers after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 49. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday
Rain and snow showers, mainly before 4pm. Temperature falling to around 39 by 2pm. Northwest wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 30. West wind 5 to 8 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 53. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 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 59.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Monday
Rain. High near 67. Chance of precipitation is 80%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Barstow MD
 38.51°N 76.63°W (Elev. 56 ft)
Last Update:
1:58 pm EDT Mar 11, 2026
Forecast Valid:
3pm EDT Mar 11, 2026-6pm EDT Mar 18, 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