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.

Rain

46°F

8°C

Humidity 93%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 45°F (7°C)
Visibility 4.00 mi
Last update 9 Jan 7:56 pm EST
Extended Forecast for

Gunpowder MD

  • Tonight

    Tonight: Cloudy, with a low around 43. Southwest wind around 6 mph becoming light and variable after midnight.

    Low: 43 °F

    Cloudy

  • Saturday

    Saturday: Rain, mainly between 10am and 5pm. High near 46. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 46 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 38. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Sunday

    Sunday: A slight chance of rain before 1pm, then a slight chance of rain and snow showers between 1pm and 3pm, then a slight chance of snow showers after 3pm. Mostly sunny, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 43. Southwest wind around 6 mph becoming light and variable after midnight.
Saturday
Rain, mainly between 10am and 5pm. High near 46. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 38. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain before 1pm, then a slight chance of rain and snow showers between 1pm and 3pm, then a slight chance of snow showers after 3pm. Mostly sunny, with a high near 44. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 28. West wind 13 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A chance of rain. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gunpowder MD
 39.4°N 76.42°W (Elev. 138 ft)
Last Update:
6:53 pm EST Jan 9, 2026
Forecast Valid:
8pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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