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

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Fog/Mist

41°F

5°C

Humidity 95%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 40°F (4°C)
Visibility 2.50 mi
Last update 10 Jan 5:15 am EST
Extended Forecast for

Long Green MD

  • Today

    Today: Rain, mainly between 10am and 5pm. High near 45. North wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Cloudy, with a low around 36. Light and variable wind becoming west 6 to 11 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 42. Northwest wind 11 to 18 mph, with gusts as high as 34 mph.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 41. West wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, mainly between 10am and 5pm. High near 45. North wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Rain likely, mainly before 10pm. Cloudy, with a low around 36. Light and variable wind becoming west 6 to 11 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Mostly sunny, with a high near 42. Northwest wind 11 to 18 mph, with gusts as high as 34 mph.
Sunday Night
Mostly clear, with a low around 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 41. West wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
A chance of rain. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Green MD
 39.48°N 76.52°W (Elev. 495 ft)
Last Update:
3:53 am EST Jan 10, 2026
Forecast Valid:
5am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation