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

79°F

26°C

Humidity 51%
Wind Speed SE 6 mph
Barometer 30.05 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Aug 5:46 pm EDT
Extended Forecast for

Dundalk MD

  • Tonight

    Tonight: Scattered showers after 2am. Increasing clouds, with a low around 70. Light east wind. Chance of precipitation is 50%.

    Low: 70 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 2pm, then scattered showers and thunderstorms, mainly between 2pm and 5pm. High near 78. East wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms between 8pm and 11pm, then isolated showers. Mostly cloudy, with a low around 71. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 71 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 83. West wind 5 to 9 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. West wind 5 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers after 2am. Increasing clouds, with a low around 70. Light east wind. Chance of precipitation is 50%.
Saturday
Showers and possibly a thunderstorm before 2pm, then scattered showers and thunderstorms, mainly between 2pm and 5pm. High near 78. East wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Scattered showers and thunderstorms between 8pm and 11pm, then isolated showers. Mostly cloudy, with a low around 71. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 83. West wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 68. West wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dundalk MD
 39.28°N 76.47°W (Elev. 3 ft)
Last Update:
4:53 pm EDT Aug 21, 2026
Forecast Valid:
6pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
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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