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

Fire Weather Concerns and Severe Thunderstorms through the Weekend

Dry and windy conditions, and some dry thunderstorms and lightning, may support hazardous fire activity in the northern Plains, high southern Plains and the Southwest this weekend. An active severe weather pattern is forecast for portions of the central and southern High Plains into the Upper Midwest through early the part of next week. Damaging winds, large hail, and tornadoes are possible. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

57°F

14°C

Humidity 77%
Wind Speed S 3 mph
Barometer 30.10 in
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 15 May 11:55 pm EDT
Extended Forecast for

3 Miles SSW Chaptico MD

  • Overnight

    Overnight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. South wind 8 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 87. Southwest wind around 5 mph.

    High: 87 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Light southeast wind.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 64. South wind 8 to 10 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 87. Southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 64. Light southeast wind.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Thursday
Showers likely. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Chaptico MD
 38.33°N 76.81°W (Elev. 98 ft)
Last Update:
10:52 pm EDT May 15, 2026
Forecast Valid:
12am EDT May 16, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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