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.

Overcast

39°F

4°C

Humidity 34%
Wind Speed S 7 mph
Barometer 30.03 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Jan 4:55 am EST
Extended Forecast for

2 Miles ENE Glen Arm MD

  • Overnight

    Overnight: A chance of light snow. Cloudy, with a low around 31. Light south wind. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Light
    Snow

  • Saturday

    Saturday: Rain, snow, and sleet likely before 2pm, then a slight chance of rain between 2pm and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.

    High: 42 °F

    Snow/Sleet
    Likely then
    Chance Wintry
    Mix

  • Saturday Night

    Saturday Night: A chance of light snow, mainly after 5am. Increasing clouds, with a low around 30. Light northwest wind. Chance of precipitation is 30%.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Light Snow

  • Sunday

    Sunday: A chance of light snow, mainly after 7am. Cloudy, with a high near 34. Northwest wind 3 to 8 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance Light
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Northwest wind 3 to 7 mph.

    Low: 18 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of light snow. Cloudy, with a low around 31. Light south wind. Chance of precipitation is 40%.
Saturday
Rain, snow, and sleet likely before 2pm, then a slight chance of rain between 2pm and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.
Saturday Night
A chance of light snow, mainly after 5am. Increasing clouds, with a low around 30. Light northwest wind. Chance of precipitation is 30%.
Sunday
A chance of light snow, mainly after 7am. Cloudy, with a high near 34. Northwest wind 3 to 8 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 18. Northwest wind 3 to 7 mph.
M.L.King Day
Sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Glen Arm MD
 39.45°N 76.47°W (Elev. 282 ft)
Last Update:
4:28 am EST Jan 17, 2026
Forecast Valid:
5am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation