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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Mostly Cloudy

67°F

19°C

Humidity 66%
Wind Speed NE 10 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Sep 7:54 am EDT
Extended Forecast for

Baltimore-Washington International Airport MD

  • Today

    Today: Partly sunny, with a high near 79. East wind around 7 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 65. Southeast wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 84. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 62. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers after 8am. Mostly cloudy, with a high near 73. Northeast wind around 10 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 79. East wind around 7 mph.
Tonight
A slight chance of showers before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 65. Southeast wind 5 to 8 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 84. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 62. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers after 8am. Mostly cloudy, with a high near 73. Northeast wind around 10 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Tuesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Baltimore-Washington International Airport MD
 39.18°N 76.66°W (Elev. 108 ft)
Last Update:
7:52 am EDT Sep 19, 2026
Forecast Valid:
8am EDT Sep 19, 2026-6pm EDT Sep 25, 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