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

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Mostly Cloudy

73°F

23°C

Humidity 83%
Wind Speed Vrbl 5 mph
Barometer 29.80 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Oct 8:35 pm EDT
Extended Forecast for

3 Miles SSW Barstow MD

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 48. Northwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 56. Breezy, with a north wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Breezy.
    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. North wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Northeast wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 46. Northeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly after 8am. Partly sunny, with a high near 59. Breezy. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 48. Northwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 56. Breezy, with a north wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 41. North wind 11 to 15 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 58. Northeast wind 13 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 46. Northeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday
A chance of showers, mainly after 8am. Partly sunny, with a high near 59. Breezy. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Tuesday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 20%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Thursday
A slight chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Friday
A slight chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Barstow MD
 38.49°N 76.61°W (Elev. 98 ft)
Last Update:
7:53 pm EDT Oct 16, 2026
Forecast Valid:
8pm EDT Oct 16, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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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