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

41°F

5°C

Humidity 95%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 40°F (4°C)
Visibility 0.50 mi
Last update 10 Jan 3:15 am EST
Extended Forecast for

Gunpowder MD

  • Overnight

    Overnight: Cloudy, with a low around 42. North wind 3 to 5 mph.

    Low: 42 °F

    Cloudy

  • Saturday

    Saturday: Rain, mainly after 9am. High near 47. Northeast wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 11pm. Cloudy, with a low around 38. Calm wind becoming west around 6 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
    then Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain between 1pm and 4pm, then a slight chance of snow after 4pm. Mostly sunny, with a high near 44. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. West wind 13 to 17 mph, with gusts as high as 34 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 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 42. North wind 3 to 5 mph.
Saturday
Rain, mainly after 9am. High near 47. Northeast wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 38. Calm wind becoming west around 6 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 between 1pm and 4pm, then a slight chance of snow after 4pm. Mostly sunny, with a high near 44. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 28. West wind 13 to 17 mph, with gusts as high as 34 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 38.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gunpowder MD
 39.42°N 76.38°W (Elev. 98 ft)
Last Update:
12:54 am EST Jan 10, 2026
Forecast Valid:
3am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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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