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.

Fog

46°F

8°C

Humidity 93%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Last update 10 Mar 7:45 am EDT
Extended Forecast for

Gunpowder MD

  • Today

    Today: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight, then a chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 52. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 54. Northwest wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 54 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 51. Breezy.

    High: 51 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 52. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before midnight, then a chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 52. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain showers likely before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 54. Northwest wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 51. Breezy.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Showers. Low around 45. Chance of precipitation is 80%.
Monday
Showers. High near 55. Chance of precipitation is 80%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gunpowder MD
 39.42°N 76.38°W (Elev. 98 ft)
Last Update:
7:53 am EDT Mar 10, 2026
Forecast Valid:
8am EDT Mar 10, 2026-6pm EDT Mar 16, 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