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

61°F

16°C

Humidity 68%
Wind Speed N 6 mph
Barometer 29.90 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Mar 9:54 am EDT
Extended Forecast for

White Marsh MD

  • Today

    Today: Sunny, with a high near 63. North wind 6 to 8 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Calm wind becoming south around 6 mph after midnight.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 2pm. Partly sunny, with a high near 75. South wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 48. South wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    T-storms then
    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Partly sunny, with a high near 55. North wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

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

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 63. North wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 45. Calm wind becoming south around 6 mph after midnight.
Sunday
A slight chance of rain after 2pm. Partly sunny, with a high near 75. South wind 5 to 9 mph. Chance of precipitation is 20%.
Sunday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 48. South wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain likely, mainly before 8am. Partly sunny, with a high near 55. North wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 59.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
White Marsh MD
 39.39°N 76.48°W (Elev. 157 ft)
Last Update:
7:53 am EDT Mar 21, 2026
Forecast Valid:
10am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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