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.

Overcast

46°F

8°C

Humidity 95%
Wind Speed Calm
Barometer 29.82 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 11 Jan 1:15 am EST
Extended Forecast for

Long Green MD

  • Overnight

    Overnight: Cloudy, with a low around 35. Northwest wind 6 to 14 mph, with gusts as high as 31 mph.

    Low: 35 °F

    Cloudy

  • Sunday

    Sunday: A chance of rain and snow showers between 1pm and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 42. Breezy, with a west wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%.

    High: 42 °F

    Mostly Sunny
    then Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 40 mph.

    Low: 28 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 42. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. West wind 3 to 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 1pm. Cloudy, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Cloudy then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Overnight
Cloudy, with a low around 35. Northwest wind 6 to 14 mph, with gusts as high as 31 mph.
Sunday
A chance of rain and snow showers between 1pm and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 42. Breezy, with a west wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 28. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 40 mph.
Monday
Sunny, with a high near 42. West wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 28. West wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A chance of rain after 1pm. Cloudy, with a high near 48. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Green MD
 39.48°N 76.52°W (Elev. 495 ft)
Last Update:
12:53 am EST Jan 11, 2026
Forecast Valid:
1am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
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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