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

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

A Few Clouds

77°F

25°C

Humidity 71%
Wind Speed S 3 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 67°F (19°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 29 Jun 10:52 pm EDT
Extended Forecast for

Arlington VA

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light south wind increasing to 5 to 9 mph in the morning.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind 5 to 8 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Southwest wind 3 to 6 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 79.

    Low: 79 °F

    Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 103. Chance of precipitation is 20%.

    High: 103 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 69. South wind around 6 mph.
Tuesday
Sunny, with a high near 90. Light south wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 71. South wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 77. Southwest wind 3 to 6 mph.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Clear, with a low around 79.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 103. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Independence Day
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny and hot, with a high near 102. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington VA
 38.9°N 77.11°W (Elev. 344 ft)
Last Update:
10:53 pm EDT Jun 29, 2026
Forecast Valid:
11pm EDT Jun 29, 2026-6pm EDT Jul 6, 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