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.

Partly Cloudy

62°F

17°C

Humidity 57%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Mar 10:35 pm EDT
Extended Forecast for

Long Green MD

  • Tonight

    Tonight: Partly cloudy, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 74. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers after 1am. Low around 43. South wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Rain showers before 5pm, then a slight chance of rain and snow showers. High near 52. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 52 °F

    Showers and
    Breezy then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 50. Breezy.

    High: 50 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. South wind around 6 mph.
Wednesday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 74. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, then showers after 1am. Low around 43. South wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain showers before 5pm, then a slight chance of rain and snow showers. High near 52. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 30. Northwest wind 5 to 9 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 50. Breezy.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Showers. Low around 48. Chance of precipitation is 80%.
Monday
Showers. High near 58. Chance of precipitation is 80%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 36.
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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:
10:01 pm EDT Mar 10, 2026
Forecast Valid:
10pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation