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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Mostly Cloudy

74°F

23°C

Humidity 91%
Wind Speed W 3 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 17 Sep 11:54 pm EDT
Extended Forecast for

Ellicott City MD

  • Overnight

    Overnight: Partly cloudy, with a low around 70. Light northwest wind.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. North wind 6 to 8 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 60. Northeast wind around 6 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Northeast wind around 7 mph becoming east in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 65. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. Light northwest wind.
Friday
Mostly sunny, with a high near 84. North wind 6 to 8 mph.
Friday Night
Increasing clouds, with a low around 60. Northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 78. Northeast wind around 7 mph becoming east in the afternoon.
Saturday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 65. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 65. 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:
Ellicott City MD
 39.27°N 76.82°W (Elev. 299 ft)
Last Update:
10:52 pm EDT Sep 17, 2026
Forecast Valid:
12am EDT Sep 18, 2026-6pm EDT Sep 24, 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