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

Hazardous Weather Conditions

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

76°F

24°C

Humidity 91%
Wind Speed NA
Barometer 29.89 in (1012.1 mb)
Dewpoint 73°F (23°C)
Visibility NA
Heat Index76°F (24°C)
Last update 16 Aug 9:53 pm EDT
Extended Forecast for

Catonsville MD

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 70. South wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86. North wind around 7 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

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

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 70. South wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 86. North wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 67. Light west wind.
Wednesday
Sunny, with a high near 88.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Catonsville MD
 39.26°N 76.73°W (Elev. 410 ft)
Last Update:
8:01 pm EDT Aug 16, 2026
Forecast Valid:
9pm EDT Aug 16, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
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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