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

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

A Few Clouds

67°F

19°C

Humidity 76%
Wind Speed SE 3 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 26 Jul 12:54 am EDT
Extended Forecast for

Catonsville MD

  • Overnight

    Overnight: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Chance of precipitation is 90%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 67. Chance of precipitation is 80%.

    Low: 67 °F

    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 64. Calm wind.
Sunday
Mostly sunny, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 40%.
Monday
A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 60%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 67. Chance of precipitation is 80%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 68.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. 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:
10:53 pm EDT Jul 25, 2026
Forecast Valid:
1am EDT Jul 26, 2026-6pm EDT Aug 1, 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