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

36°F

2°C

Humidity 87%
Wind Speed N 3 mph
Barometer 29.95 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 27 Dec 5:54 am EST
Extended Forecast for

Long Green MD

  • Today

    Today: Partly sunny, with a high near 38. North wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. North wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Cloudy, with a high near 42. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 42 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Cloudy, with a low around 38. South wind 7 to 10 mph. Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Breezy, with a south wind 11 to 21 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Breezy.

    High: 32 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 38. North wind 6 to 11 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 27. North wind around 5 mph becoming calm in the evening.
Sunday
A chance of rain after 1pm. Cloudy, with a high near 42. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Cloudy, with a low around 38. South wind 7 to 10 mph. Chance of precipitation is 40%.
Monday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 58. Breezy, with a south wind 11 to 21 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 32. Breezy.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 25.
New Year's Day
Mostly cloudy, with a high near 36.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Green MD
 39.48°N 76.52°W (Elev. 495 ft)
Last Update:
3:53 am EST Dec 27, 2025
Forecast Valid:
6am EST Dec 27, 2025-6pm EST Jan 2, 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