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.

Partly Cloudy

84°F

29°C

Humidity 70%
Wind Speed S 6 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 28 Jun 2:50 pm EDT
Extended Forecast for

Perry Hall MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. South wind around 6 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Light northwest wind. Chance of precipitation is 20%.

    High: 90 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly after 2pm. Some of the storms could produce heavy rainfall. High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    Showers then
    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Some of the storms could produce heavy rainfall. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Heavy Rain
    then Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. South wind around 6 mph.
Tonight
A chance of showers and thunderstorms, mainly before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Light northwest wind. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm, mainly after 2pm. Some of the storms could produce heavy rainfall. High near 90. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Some of the storms could produce heavy rainfall. Low around 70. Chance of precipitation is 80%.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 68.
Independence Day
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Perry Hall MD
 39.41°N 76.47°W (Elev. 249 ft)
Last Update:
1:30 pm EDT Jun 28, 2025
Forecast Valid:
2pm EDT Jun 28, 2025-6pm EDT Jul 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation