National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Mostly Cloudy

73°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 28 Aug 1:35 am EDT
Extended Forecast for

Gunpowder MD

  • Overnight

    Overnight: Scattered showers before 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 85 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. North wind around 6 mph becoming calm in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Scattered showers before 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms after 2pm. Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 67. Calm wind.
Saturday
Mostly sunny, with a high near 85. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 69. Calm wind.
Sunday
Sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly cloudy, with a low around 74.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gunpowder MD
 39.42°N 76.38°W (Elev. 98 ft)
Last Update:
10:52 pm EDT Aug 27, 2026
Forecast Valid:
1am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation