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

Hazardous Weather Conditions

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Overcast

78°F

26°C

Humidity 87%
Wind Speed S 7 mph
Barometer 30.11 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 Aug 4:55 am EDT
Extended Forecast for

Perry Hall MD

  • Overnight

    Overnight: Isolated showers. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 80. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then scattered showers. Low around 71. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 71 °F

    Showers

  • Monday

    Monday: Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Northwest wind around 7 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

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

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
Showers and possibly a thunderstorm. High near 80. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then scattered showers. Low around 71. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 69. Northwest wind around 7 mph.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Perry Hall MD
 39.41°N 76.5°W (Elev. 282 ft)
Last Update:
5:02 am EDT Aug 16, 2026
Forecast Valid:
5am EDT Aug 16, 2026-6pm EDT Aug 22, 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