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.

Fair

37°F

3°C

Humidity 81%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 8 Jan 7:54 pm EST
Extended Forecast for

Long Green MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Light southeast wind.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 5pm. Patchy fog after 4pm. Otherwise, increasing clouds, with a high near 53. South wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Partly Sunny
    then Rain
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: Rain likely, mainly before 7pm. Patchy fog before 9pm. Otherwise, cloudy, with a low around 45. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday

    Saturday: Rain. High near 51. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 40. East wind 5 to 7 mph becoming west in the evening. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Sunday

    Sunday: A slight chance of rain before 1pm, then a slight chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Light southeast wind.
Friday
Rain likely, mainly after 5pm. Patchy fog after 4pm. Otherwise, increasing clouds, with a high near 53. South wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly before 7pm. Patchy fog before 9pm. Otherwise, cloudy, with a low around 45. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 51. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 40. East wind 5 to 7 mph becoming west in the evening. Chance of precipitation is 70%.
Sunday
A slight chance of rain before 1pm, then a slight chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Green MD
 39.46°N 76.52°W (Elev. 407 ft)
Last Update:
6:53 pm EST Jan 8, 2026
Forecast Valid:
8pm EST Jan 8, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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