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

Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Overcast

79°F

26°C

Humidity 72%
Wind Speed Calm
Barometer 29.88 in (1011.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Sep 7:54 pm EDT
Extended Forecast for

Columbia MD

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Mostly cloudy, with a low around 63. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 40%.

    Low: 63 °F

    Scattered
    Showers

  • Monday

    Monday: Showers likely, mainly after 3pm. Mostly cloudy, with a high near 73. Northeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 5am, then showers likely. Low around 57. Northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm. High near 65. Northeast wind around 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 53. Northeast wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Mostly cloudy, with a low around 63. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 40%.
Monday
Showers likely, mainly after 3pm. Mostly cloudy, with a high near 73. Northeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 5am, then showers likely. Low around 57. Northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm. High near 65. Northeast wind around 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely. Cloudy, with a low around 53. Northeast wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Thursday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 51.
Saturday
A slight chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A slight chance of showers. Mostly sunny, with a high near 73. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Columbia MD
 39.21°N 76.86°W (Elev. 325 ft)
Last Update:
7:53 pm EDT Sep 20, 2026
Forecast Valid:
8pm EDT Sep 20, 2026-6pm EDT Sep 27, 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