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

45°F

7°C

Humidity 53%
Wind Speed S 7 mph
Barometer 29.91 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Jan 3:58 pm EST
Extended Forecast for

Joppa MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Southwest wind 6 to 8 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 49. South wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of snow. Cloudy, with a low around 24. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 7am. Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Southwest wind 6 to 8 mph.
Wednesday
A chance of rain, mainly after 5pm. Mostly cloudy, with a high near 49. South wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely before 4am, then a chance of snow. Cloudy, with a low around 24. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 7am. Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 17. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Sunny, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joppa MD
 39.44°N 76.35°W (Elev. 135 ft)
Last Update:
3:53 pm EST Jan 13, 2026
Forecast Valid:
4pm EST Jan 13, 2026-6pm EST Jan 20, 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