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

78°F

26°C

Humidity 56%
Wind Speed Vrbl 3 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Sep 1:54 pm EDT
Extended Forecast for

Baltimore-Washington International Airport MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. East wind around 7 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 67. East wind 7 to 9 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Isolated showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. South wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Isolated
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Southwest wind around 6 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 74. North wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Monday Night

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

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. East wind around 7 mph.
Tonight
Increasing clouds, with a low around 67. East wind 7 to 9 mph.
Sunday
Isolated showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. South wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Southwest wind around 6 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 74. North wind 9 to 11 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Cloudy, with a low around 60. Chance of precipitation is 50%.
Tuesday
Showers likely, mainly after 2pm. Cloudy, with a high near 69. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.
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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Baltimore-Washington International Airport MD
 39.16°N 76.66°W (Elev. 102 ft)
Last Update:
2:23 pm EDT Sep 19, 2026
Forecast Valid:
2pm EDT Sep 19, 2026-6pm EDT Sep 25, 2026
 
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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