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

49°F

9°C

Humidity 42%
Wind Speed Vrbl 6 mph
Barometer 30.55 in
Dewpoint 27°F (-3°C)
Visibility 9.00 mi
Wind Chill46°F (8°C)
Last update 8 Apr 6:35 pm EDT
Extended Forecast for

Leonardtown MD

Frost Advisory April 9, 12:00am until April 9, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, partly cloudy, with a low around 36. East wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Patchy frost before 7am. Otherwise, partly sunny, with a high near 59. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 59 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Southeast wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. South wind around 6 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 36. East wind around 6 mph becoming calm in the evening.
Thursday
Patchy frost before 7am. Otherwise, partly sunny, with a high near 59. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 41. Southeast wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 54. South wind around 6 mph.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Leonardtown MD
 38.29°N 76.64°W (Elev. 16 ft)
Last Update:
4:53 pm EDT Apr 8, 2026
Forecast Valid:
6pm EDT Apr 8, 2026-6pm EDT Apr 15, 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