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.

Fog/Mist

36°F

2°C

Humidity 95%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 34°F (1°C)
Visibility 2.50 mi
Last update 9 Jan 3:35 am EST
Extended Forecast for

Perry Hall MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. Light southeast wind.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 5pm. Increasing clouds, with a high near 53. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Partly Sunny
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 8pm. Patchy fog between 8pm and 9pm. Otherwise, cloudy, with a low around 44. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely
    and Patchy
    Fog then
    Cloudy

  • Saturday

    Saturday: Rain, mainly after 7am. High near 48. Northeast wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 40. Light and variable wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Sunday

    Sunday: A slight chance of rain. Mostly sunny, with a high near 45. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. Light southeast wind.
Friday
Rain likely, mainly after 5pm. Increasing clouds, with a high near 53. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly before 8pm. Patchy fog between 8pm and 9pm. Otherwise, cloudy, with a low around 44. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, mainly after 7am. High near 48. Northeast wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 40. Light and variable wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 70%.
Sunday
A slight chance of rain. Mostly sunny, with a high near 45. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Perry Hall MD
 39.41°N 76.47°W (Elev. 249 ft)
Last Update:
1:56 am EST Jan 9, 2026
Forecast Valid:
3am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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