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

Hazardous Weather Conditions

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Fair and Breezy

48°F

9°C

Humidity 54%
Wind Speed S 23 G 36 mph
Barometer 29.84 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Mar 4:45 pm EDT
Extended Forecast for

Glen Arm MD

Wind Advisory March 13, 05:44pm until March 13, 07:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory March 13, 05:44pm until March 13, 07:00pm

    NOW until 7:00pm Fri

    Wind Advisory

  • Tonight

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52. West wind 13 to 18 mph, with gusts as high as 31 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. Southeast wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 49. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Low: 49 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 64. Breezy. Chance of precipitation is 100%.

    High: 64 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.

    Low: 29 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 40. South wind 11 to 17 mph becoming west after midnight. Winds could gust as high as 41 mph.
Saturday
Sunny, with a high near 52. West wind 13 to 18 mph, with gusts as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 54. Southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Rain, mainly after 2am. Low around 49. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Monday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 64. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glen Arm MD
 39.44°N 76.5°W (Elev. 381 ft)
Last Update:
4:53 pm EDT Mar 13, 2026
Forecast Valid:
5pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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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