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.

Partly Cloudy

64°F

18°C

Humidity 83%
Wind Speed SE 6 mph
Barometer 30.12 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 13 May 10:54 am EDT
Extended Forecast for

Glen Arm MD

  • Today

    Today: Sunny, with a high near 74. South wind 7 to 9 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South wind 6 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. South wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. South wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 69. Northeast wind 6 to 10 mph. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 74. South wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 57. South wind 6 to 10 mph.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. South wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. South wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 69. Northeast wind 6 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Glen Arm MD
 39.44°N 76.53°W (Elev. 312 ft)
Last Update:
10:31 am EDT May 13, 2024
Forecast Valid:
11am EDT May 13, 2024-6pm EDT May 19, 2024
 
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