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

75°F

24°C

Humidity 54%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 10:45 am EDT
Extended Forecast for

Dundalk MD

  • Today

    Today: Mostly sunny, with a high near 82. North wind around 6 mph becoming light and variable in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 79. East wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 79 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. North wind around 6 mph becoming light and variable in the afternoon.
Tonight
A chance of showers, mainly after 5am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 79. East wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dundalk MD
 39.28°N 76.5°W (Elev. 20 ft)
Last Update:
10:52 am EDT Aug 21, 2026
Forecast Valid:
11am EDT Aug 21, 2026-6pm EDT Aug 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