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.

Fair

30°F

-1°C

Humidity 24%
Wind Speed N 5 mph
Barometer 30.35 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 8 Dec 6:45 pm EST
Extended Forecast for

Long Green MD

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 15. North wind 5 to 7 mph becoming calm in the evening.

    Low: 15 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 33. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. South wind 6 to 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain or freezing rain before 10am, then a chance of rain. Mostly cloudy, with a high near 44. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 44 °F

    Chance
    Rain/Freezing
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 15. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 33. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 27. South wind 6 to 8 mph.
Wednesday
A slight chance of rain or freezing rain before 10am, then a chance of rain. Mostly cloudy, with a high near 44. South wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 37.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 17.
Monday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Green MD
 39.46°N 76.52°W (Elev. 407 ft)
Last Update:
3:53 pm EST Dec 8, 2025
Forecast Valid:
6pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
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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