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.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.13 in
Dewpoint 70°F (21°C)
Visibility 2.00 mi
Last update 28 Jun 5:54 am EDT
Extended Forecast for

Gunpowder MD

  • Today

    Today: Areas of drizzle before 2pm, then a chance of showers and thunderstorms, mainly after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 90. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 90 °F

    Areas Drizzle
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before midnight. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 30%.

    Low: 73 °F

    Heavy Rain

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Areas of drizzle before 2pm, then a chance of showers and thunderstorms, mainly after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 90. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, mainly before midnight. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 73. Calm wind.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Independence Day
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gunpowder MD
 39.4°N 76.42°W (Elev. 138 ft)
Last Update:
4:29 am EDT Jun 28, 2025
Forecast Valid:
6am EDT Jun 28, 2025-6pm EDT Jul 4, 2025
 
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