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

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Overcast

83°F

28°C

Humidity 61%
Wind Speed N 8 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Sep 4:52 pm EDT
Extended Forecast for

Glen Echo MDSimilar City Names

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Northeast wind 7 to 9 mph.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80. Northeast wind 6 to 8 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Isolated showers after 2am. Mostly cloudy, with a low around 67. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 84. South wind 7 to 13 mph. Chance of precipitation is 50%.

    High: 84 °F

    Mostly Cloudy
    then 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, then a slight chance of showers after 2am. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

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

    High: 67 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 62. Northeast wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 80. Northeast wind 6 to 8 mph.
Saturday Night
Isolated showers after 2am. Mostly cloudy, with a low around 67. Southeast wind 6 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 7 to 13 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 70%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glen Echo MDSimilar City Names
 38.97°N 77.15°W (Elev. 56 ft)
Last Update:
4:53 pm EDT Sep 18, 2026
Forecast Valid:
5pm EDT Sep 18, 2026-6pm EDT Sep 25, 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